- Seal (emblem)
A seal can be a figure impressed in wax, clay, or some other medium, or embossed on paper, with the purpose of authenticating a document (or, less often, a package of trade goods); but the term can also mean the device for making such impressions, being essentially a mould with the mirror image of the design carved in sunken- (or counter-) relief or intaglio. This article is concerned with devices and methods for making such imprints.
The device for making the seal is technically known as the seal matrix or die; the imprint it creates as the seal impression (or, rarely, the sealing). If the impression is made as a relief resulting from the greater pressure on the paper where the high parts of the matrix touch, the seal is known as a dry seal; in all other cases a liquid or liquified medium (such as ink or wax) is used, usually in another color than the paper.
In the United States, the word "seal" is sometimes assigned to a facsimile of the seal design (in monochrome or color), which may be used in a variety of contexts including architectural settings, on flags, or on official letterheads: for example, the Great Seal of the United States, among other uses, appears on the reverse of the one-dollar bill; and several of the seals of the U.S. states appear on their respective state flags. In Europe, although coats of arms and heraldic badges may well feature in such contexts as well as on seals, the seal design in its entirety rarely appears as an emblem.
The study of seals is known as sigillography or sphragistics.
Ancient Near East
Seals were used in the earliest civilizations and are of considerable interest in archaeology. In ancient Mesopotamia seals were engraved on cylinders, which could be rolled to create an impression on clay e.g., as a label on a consignment of trade goods. From Ancient Egypt seals in the form of signet-rings of kings have been found.
Recently, seals have come to light in South Arabia datable to the Himyarite age. One example shows a name written in Aramaic (Yitsḥaq bar Ḥanina) and engraved in reverse so as to be visible in the impression.
Ancient Greece and Rome
From the beginning of the 3rd millennium BC until the Dark Ages, seals of various kinds were in production in the Aegean islands and mainland Greece. In the Early Minoan age these were formed of soft stone and ivory and show particular characteristic forms. By the Middle Minoan age a new set for seal forms, motifs and materials appear. Hard stone requires new rotary carving techniques. The Late Bronze Age is the time par excellence of the lens-shaped seal and the seal ring, which continued in to the Archaic, Classical and Hellenistic periods, in the form of pictorial engraved gems. These were a major luxury art form and became keenly collected, with King Mithridates VI of Pontus the first major collector according to Pliny the Elder. His collection fell as booty to Pompey the Great, who deposited it in a temple in Rome. Engraved gems continued to be produced and collected until the 19th century.
Known as yinzhang (Chinese: 印章) in China, dojang or ingam in Korea and inkan or hanko in Japan, seals have been used in East Asia as a form of written identification since the Qin dynasty. The seals of the Han dynasty were impressed in a soft clay, but from the Tang dynasty a red ink made from cinnabar was normally used. Even in modern times, seals are still commonly used instead of handwritten signatures to authenticate official documents or financial transactions. Both individuals and organizations have official seals, and they often have multiple seals in different sizes and styles for different situations. East Asian seals usually bear the names of the people or organizations represented, but they can also bear poems or personal mottoes. Sometimes both types of seals, or large seals that bear both names and mottoes, are used to authenticate official documents. Seals are so important in East Asia that foreigners who frequently conduct business there also commission the engraving of personal seals.
East Asian seals are carved from a variety of hard materials, including wood, soapstone, sea glass and jade. East Asian seals are traditionally used with a red oil-based paste consisting of finely ground cinnabar, which contrasts with the black ink traditionally used for the ink brush. Red chemical inks are more commonly used in modern times for sealing documents. Seal engraving is considered a form of calligraphy in East Asia. Like ink-brush calligraphy, there are several styles of engraving. Some engraving styles emulate calligraphy styles, but many styles are so highly stylized that the characters represented on the seal are difficult for untrained readers to identify. Seal engravers are considered artists, and, in the past, several famous calligraphers also became famous as engravers. Some seals, carved by famous engravers, or owned by famous artists or political leaders, have become valuable as historical works of art.
Because seals are commissioned by individuals and carved by artists, every seal is unique, and engravers often personalize the seals that they create. The materials of seals and the styles of the engraving are typically matched to the personalities of the owners. Seals can be traditional or modern, or conservative or expressive. Seals are sometimes carved with the owners' zodiac animals on the tops of the seals. Seals are also sometimes carved with images or calligraphy on the sides.
Although it is a utilitarian instrument of daily business in East Asia, westerners and other non-Asians seldom see Asian seals except on Asian paintings and calligraphic art. All traditional paintings in China, Japan, Korea, Vietnam, and the rest of East Asia are watercolor paintings on silk, paper, or some other surface to which the red ink from seals can adhere. East Asian paintings often bear multiple seals, including one or two seals from the artist, and the seals from the owners of the paintings.
East Asian seals are the predecessors to block printing.
The Western tradition
There is a direct line of descent from the seals used in the ancient world, to those used in medieval and post-medieval Europe, and so to those used in legal contexts in the western world to the present day. Seals were historically most often impressed in sealing wax (often simply described as "wax"): in the Middle Ages, this generally comprised a compound of about two-thirds beeswax to one-third of some kind of resin, but in the post-medieval period the resin (and other ingredients) came to dominate. During the early Middle Ages seals of lead, or more properly "bullae" (from the Latin), were in common use both in East and West, but with the notable exception of documents ("bulls") issued by the Papal Chancery these leaden authentications fell out of favour in western Christendom. Byzantine Emperors sometimes issued documents with gold seals, known as Golden Bulls.
Wax seals were being used on a fairly regular basis by most western royal chanceries by about the end of the 10th century. In England, few wax seals have survived of earlier date than the Norman Conquest, although some earlier matrices are known, recovered from archaeological contexts: the earliest is a gold double-sided matrix found near Postwick, Norfolk, and dated to the late 7th century; the next oldest is a mid-9th-century matrix of a Bishop Ethilwald (probably Æthelwold, Bishop of East Anglia). The practice of sealing in wax gradually moved down the social hierarchy from monarchs and bishops to great magnates, to petty knights by the end of the 12th century, and to ordinary freemen by the middle of the 13th century. They also came to be used by a variety of corporate bodies, including cathedral chapters, municipalities, monasteries etc., to validate the acts executed in their name.
Traditional wax seals continue to be used on certain high-status and ceremonial documents, but in the 20th century they were gradually superseded in many other contexts by inked or dry embossed seals and by rubber stamps.
While many instruments formerly required seals for validity (e.g. deeds or covenants) it is now unusual in most countries in the west for private citizens to use seals. In Central and Eastern Europe, however, as in East Asia, a signature alone is considered insufficient to authenticate a document of any kind in business, and all managers, as well as many book-keepers and other employees, have personal seals, normally just containing text, with their name and their position. These are applied to all letters, invoices issued, and similar documents. In Europe these are today plastic self-inking stamps.
Notaries also still use seals on a daily basis. At least in Britain, each registered notary has an individual personal seal, registered with the authorities, which includes his or her name and a pictorial emblem, often an animal - the same combination found in many seals from Ancient Greece.
Seals are also affixed on architectural or engineering construction documents, or land survey drawings, to certify the identity of the licensed professional who supervised the development. Depending on the authority having jurisdiction for the project, these seals may be embossed and signed, stamped and signed, or in certain situations a computer generated facsimile of the original seal validated by a digital certificate owned by the professional may be attached to a security protected computer file. The identities on the professional seals determine legal responsibility for any errors or omissions, and in some cases financial responsibility for their correction.
Seals are used to primarily to authenticate documents, specifically those which carry some legal import. There are two main ways in which a seal may be attached to a document. It may be applied directly to the face of the paper or parchment (an applied seal); or it may hang loose from it (a pendent seal). A pendent seal may be attached to the document by cords or ribbons (sometimes in the owner's livery colours); by a strip (or tag) of parchment threaded through a slot cut in the document, with its two ends joined together by the seal; or by a narrow strip of the material of the document (again, in this case, usually parchment), sliced and folded down, as a tail or tongue, but not detached from the document. All these methods help maintain authenticity by not allowing the reuse of the seal. If a forger tries to remove an applied seal from its document, it will almost certainly break. In the case of a pendent seal, although the forger might easily detach the seal from its document by cutting the cords or strips of parchment which secure it, he would still have great difficulty in attaching it to another document (not least because the cords or parchment are normally knotted inside the seal), and would again almost certainly break it.
In the Middle Ages, the majority of seals were pendent. They were attached both to legal instruments and to letters patent (i.e. open letters) conferring rights or privileges, which were intended to be available for all to view. In the case of important transactions or agreements, the seals of all parties to the arrangement as well as of witnesses might be attached to the document, and so once executed it would carry several seals. Most governments still attach pendent seals to letters patent.
Applied seals, by contrast, were originally used to seal a document closed: that is to say, the document would be folded and the seal applied in such a way that the item could not be opened without the seal being broken. Applied seals were used on letters close (letters intended only for the recipient) and parcels to indicate whether or not the item had been opened or tampered with since it had left the sender, as well as providing evidence that the item was actually from the sender and not a forgery. In the post-medieval period, seals came to be commonly used in this way for private letters. A letter writer would fold the completed letter, pour wax over the joint formed by the top of the page, and then impress a ring or other seal matrix. Governments sometimes sent letters to citizens under the governmental seal for their eyes only, known as letters secret. In general, seals are no longer used in these ways except for ceremonial purposes. However, applied seals also came to be used on legal instruments applied directly to the face of the document, so that there was no need to break them, and this use continues.
Historically, the majority of seals were circular in design, although ovals, triangles, shield-shapes and other patterns are also known. The design generally comprised a graphic emblem (sometimes, but not always, incorporating heraldic devices), surrounded by a text (the legend) running around the perimeter. The legend most often consisted merely of the words "The seal of [the name of the owner]", either in Latin or in the local vernacular language: the Latin word Sigillum was frequently abbreviated to a simple S:. Occasionally, the legend took the form of a motto.
In the Middle Ages it became customary for the seals of women and of ecclesiastics to be given a vesica (pointed oval) shape. The central emblem was often a standing figure of the owner, or (in the case of ecclesiastical seals) of a saint.
Sealing wax was naturally yellowish or pale brownish in tone, but could also be artificially coloured red or green (with many intermediary variations). In some medieval royal chanceries, different colours of wax were customarily used for different functions or departments of state.
The matrices for pendent seals were sometimes accompanied by a smaller counter-seal, which would be used to impress a small emblem on the reverse of the impression. In some cases the seal and counter-seal would be kept by two different individuals, in order to provide an element of double-checking to the process of authentication. Sometimes, a large official seal, which might be in the custody of chancery officials, would need to be counter-sealed by the individual in whose name it had been applied (the monarch, or the mayor of a town): such a counter-seal might take the form of a signet-ring, and so would be necessarily smaller. Other pendent seals were double-sided, with elaborate and equally-sized obverses and reverses. The impression would be formed by pressing a "sandwich" of matrices and wax firmly together by means of rollers or, later, a lever-press or a screw press. Certain medieval seals were more complex still, involving two levels of impression on each side of the wax which would be used to create a scene of three-dimensional depth.
Seal matrices would frequently be handed down from father to son, and so the son would effectively inherit the symbols used by his father. It is generally agreed that this custom was a significant factor in the emergence of hereditary heraldry in western Europe in the 12th century.
The use of a seal by men of wealth and position was common before the Christian era, but high functionaries of the Church adopted the habit. An incidental allusion in one of St. Augustine's letters (217 to Victorinus) indicates that he used a seal. The practice spread, and it seems to be taken for granted by King Clovis I at the very beginning of the Merovingian dynasty.
Later ecclesiastical synods require that letters under the bishop's seal should be given to priests when for some reason they lawfully quit their own proper diocese. Such a ruling was enacted at Chalon-sur-Saône in 813. Pope Nicholas I in the same century complained that the bishops of Dôle and Reims had, "contra morem" (contrary to custom), sent their letters to him unsealed. The custom of bishops possessing seals may from this date be assumed to have been pretty general.
Destruction of seals
The importance of the seal as a means of authentication necessitated that when authority passed into new hands the old seal should be destroyed and a new one made. When the pope dies it is the first duty of the Cardinal Camerlengo to obtain possession of the Ring of the Fisherman, the papal signet, and to see that it is broken up. A similar practice prevailed in the Middle Ages and it is often alluded to by historians, as it seems to have been a matter of some ceremony. For example, on the death of Robert of Holy Island, Bishop of Durham, in 1283, the chronicler Robert Greystones reports: "After his burial, his seal was publicly broken up in the presence of all by Master Robert Avenel." Matthew Paris gives a similar description of the breaking of the seal of William of Trumpington, Abbot of St Albans, in 1235.
Silver seal matrices have been found in the graves of some of the 12th-century queens of France. They were probably deliberately buried as a means of cancelling them.
When King James II of England was dethroned in the Glorious Revolution of 1688/9, he is supposed to have thrown the Great Seal of the Realm into the River Thames before his flight to France in order to ensure that the machinery of government would cease to function. It is unclear how much truth there is to this story, but certainly the seal was recovered: James's successors, William III and Mary used the same Great Seal matrix, fairly crudely adapted - possibly quite deliberately, in order to demonstrate the continuity of government.
A related practice of destruction is found among blacksmiths: their touchmark (a stamp used on the hot metal to show who made it) is destroyed upon their death.
Signet rings, in recent times generally bearing a coat of arms, are made by intaglio engraving, either in metal or engraved gems (generally semiprecious). Agate is a frequent material, especially carnelian or banded agate like sardonyx; the banding make the impression contrast with the ground. Most classical engraved gems were originally worn as signet rings.
Metal signet rings can also be cast, which is cheaper but yields a weaker material.
The wearing of signet rings (from Latin "signum" meaning sign) goes back to ancient Egypt; the distinctive personal signature was not developed in antiquity and most documents needed a seal. The tradition continues, especially among the armigerous, in European and some other cultures.
Because it is used to attest the authority of its bearer, the ring has also been seen as a symbol of his power, which is one explanation for its inclusion in the regalia of certain monarchies. After the death of a Pope, the destruction of his signet ring is a prescribed act clearing the way for the sede vacante and subsequent election of a new Pope.
The wearing of a signet ring is declining as the European aristocracy diminishes, however noble families have upheld long standing traditions of wearing signet rings for centuries. Sometimes the initials of the individual are engraved into the ring if the person is not of noble descent and does not have the right to bear arms.
Seal of approval
The expression Seal of Approval refers to a formal approval, regardless whether it involves a seal or other external marking, by an authoritative person or institute.
It is also part of the formal name of certain quality marks, such as:
- Good Housekeeping Seal of Approval of the Good Housekeeping Institute
- Good Netkeeping Seal of Approval
- Nintendo Seal of Quality
- Bulla (seal), a lump of clay molded around a cord and stamped with a seal
- Cylinder seal
- Seal of Dartmouth College, used by Dartmouth College of Hanover, New Hampshire, USA.
- Golden Bull, a gold seal used by Byzantine Emperors
- Great Seal (disambiguation)
- Great Seal of the Realm, a British institution for authorising the monarch's official documents a personal signature
- Great Seal of Scotland allows the monarch to authorise documents without signing
- Great Seal of France, used to authenticate constitutional documents of the French Republic
- Imperial Seal of Japan, called 菊の御紋 in Japanese, meaning "Noble Symbol of Chrysanthemum"
- Presidential Seal of the Philippines
- Great Seal of the United States used since 1782 to authenticate some documents issued by the United States government
- Great Seal of Northern Ireland
- Great Seal of Canada
- National Seal of Brazil
- Public Seal of Hong Kong
- Privy Seal, of England can be traced back to the reign of King John
- Lord Privy Seal or Lord Keeper of the Privy Seal is one of the traditional sinecure offices of state in the United Kingdom
- Knights Templar Seal used to validate documents approved by the order
- Manu propria
- Rubber stamp
- Seal (East Asia)
- Seal of Solomon, a legendary magical signet ring said to have belonged to King Solomon
- Sealing wax
- Seals of the U.S. states
- Security seal
- State seal
- Notary public (New York)#Seal or stamp
- ^ New 2010, p. 7.
- ^ Notary Public Handbook. (2009). California Secretary of State, Notary Public Section. p. 7.
- ^ Vermont Statutes Title 1 § 134 (2008). Vermont Legislature.
- ^ Thomas Carter (1925). The invention of printing in China. Columbia University Press.
- ^ Jenkinson 1968, p. 12.
- ^ New 2010, p. 3.
- ^ Jenkinson 1968, pp. 6-7.
- ^ "What is a PE" National Society of Professional Engineers (US).
- ^ "How Building Officials Interact With Registered Architects And Engineers" National Council of Architectural Registration Boards (US).
- ^ GSA P100 Facilities Standards for the Public Buildings Service. Appendix A: "Submission Requirements" U.S. General Services Administration.
- ^ "Rule and Regulation Change Allowing the Construction and use of Computerized Seals" Kansas State Board of Technical Professions. Typical sample of requirements for a professional seal in the United States.
- ^ FAR 36.609 U.S. Federal Acquisition Regulations, Subpart 36.6 Architect-Engineer Services, Article 36.609 Contract Clauses.
- ^ Jenkinson 1968, pp. 14-18.
- ^ New 2010, pp. 19-23.
- ^ Jenkinson 1968, pp. 18-19.
- ^ Jenkinson 1968, p. 13.
- ^ Jenkinson 1968, pp. 8-10.
- ^ New 2010, p. 13.
- ^ John Cherry, "Medieval and post-medieval seals", in Collon 1997, p. 130.
- ^ "Seal". Catholic Encyclopedia. New York: Robert Appleton Company. 1913.
- ^ Monumenta Germaniae Historica, Leg., II, 2.
- ^ Philipp Jaffé, Regesta Pontificum Romanorum, nos. 2789, 2806, 2823.
- ^ Raine (ed.), James (1839). Historia Dunelmensis Scriptores Tres. Surtees Society. 9. London. p. 63.
- ^ Cherry, "Medieval and post-medieval seals", in Collon 1997, p. 134.
- ^ Jenkinson, Hilary (1943). "What happened to the Great Seal of James II?". Antiquaries Journal 23: 1–13.
- Adams (ed.), Noël; Cherry (ed.), John; Robinson (ed.), James (2007). Good Impressions: Image and Authority in Medieval Seals. British Museum Research Publications 168. London: British Museum. ISBN 978-0-86159-168-8.
- Boardman, John (1972). Greek Gems and Finger Rings. New York.
- Chassel, Jean-Luc (2003). Sceaux et usages de sceaux: images de la Champagne médiévale. Paris: Somogny. ISBN 2850566438.
- Collon (ed.), Dominique (1997). 7000 Years of Seals. London: British Museum Press. ISBN 0-7141-1143-0.
- Grisar, Josef; De Lasala, Fernando (1997). Aspetti della sigillografia. Rome.
- Harvey, P.D.A.; McGuinness, Andrew (1996). A Guide to British Medieval Seals. London: British Library and Public Record Office. ISBN 0-7123-0410-X.
- Jenkinson, Hilary (1968). Guide to Seals in the Public Record Office. Public Record Handbooks 1 (2nd ed.). London: Her Majesty's Stationery Office.
- New, Elizabeth (2010). Seals and Sealing Practices. Archives and the User 11. London: British Records Association. ISBN 978-0-900222-15-3.
- Pastoureau, Michel (1981). Les sceaux. Turnhout: Brepols.
- Posse, Otto (1913). Die Siegel der deutschen Kaiser und Könige, von 751 bis 1913. 5. Dresden. Accessible on Wikisource
- Yule, Paul (1981). Early Cretan Seals: A Study of Chronology. Marburger Studien zur Vor und Frühgeschichte 4. Mainz. ISBN 3-8053-0490-0.
- UK National Archives on seals
- This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed (1913). "Seal". Catholic Encyclopedia. Robert Appleton Company.
- Not All Online Authority Seals are Credible - Harvard's Ben Edelman says "Suppose users have seen a seal on dozens of sites that turn out to be legitimate. Dubious sites can present that same seal to encourage more users to buy, register, or download."
- Signet ring article - Berganza, London: http://www.berganza.com/feature-signets__sealed_with_a_ring.html
- http://linnet.cch.kcl.ac.uk:8080/seals/ (database of Byzantine Seal impressions from Prosopography of the Byzantine World project (PBW)
- Photographic reproductions of medieval seals in the Lichtbildarchiv älterer Originalurkunden searchable via the verteillte Bildarchiv prometheus
Wikimedia Foundation. 2010.
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