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Cliché forgery

A cliché coin forgery is a type of counterfeit coin (a subtype of fourrée) produced using a genuine coin to impress a design into silver foil. Evidence of the probable manufacturing technique are finds of small lead sheets with multiple coin impressions and also fragments of impressed foils or complete 'coins'. The process seems to have involved the following steps. First, sandwiching a genuine coin between a fold of foil, generally silver, with a thickness of 50-100 microns. This was then placed between lead sheets (or a folded sheet) and the pile struck with a hammer. This resulted in the foils taking an impression of each face of the coin simultaeously, also incidentally transferred to the lead sheets (in incuse). The folded foil (retaining the coin impressions in register) was then removed and the resulting obverse and reverse impressions were then simply soldered together, usually with tin-lead solder. The final sandwich was then trimmed to size, possibly with a 'pastry cutter' type tool, forming a circular coin.

It is possible the foils could have been soldered around a copper or other metal core. Scanning electron microscope examination of the surface of these items clearly shows the coin design has been formed from the reverse of the foil (effectively in repoussé) instead of the front as would be the case with normal coin striking.[1][2] This type of forgery is particularly suitable for the manufacture of small, thin coins. Counterfeits of this type have been found both from Classical antiquity and the Middle Ages.[3] Unlike most fourrée coins, the technique does not require a press and counterfeit dies in order to manufacture the forgeries.[clarification needed]

Chemical analysis of the silver foils and also the equivalent genuine coins shows them to be the same. This strongly suggests that the forger used genuine coins, or metal cut from them (clipping), to supply the material for the foils. This also ensured that the colour of the forgery matched that of the genuine coins. It is likely that 3 or 4 forgeries could be made from one genuine coin.

Etymology edit

A single coin is used to make multiple counterfeits, analogous to a stereotype or cliché printing plate. The term "cliché" is used in French numismatics to refer to a thin electrotype copy of a coin or medal with the sides displayed separately so that they can both be seen at once.[4]

Cliché pair edit

A cliché is also a pair of thin blanks struck in a press with a mated pair of dies. They are used as proof impressions for the artist. Like many proofs, however, these have become desirable in themselves, and are acquired by museums specifically to allow the display of both sides of a coin or medal at once.[5]

References edit

  1. ^ W.A.Oddy & M.M.Archibald, ‘The technique of some forged Medieval silver pennies’, in W.A.Oddy (ed.), Scientific Studies in Numismatics, British Museum Occasional Paper 18 (British Museum Publications, London, 1980), pp.81-90.
  2. ^ M.R.Cowell and P.Guest, 2012, Scientific examination of siliqua copies and forgeries from the Hoxne Treasure, Numismatic Chronicle, 172, 227-234.
  3. ^ . Archived from the original on 2010-11-01. Retrieved 2010-06-30.
  4. ^ Feet, Albert (1917) A Dictionary of Numismatic Names New York, The American Numismatic Society [1]
  5. ^ Hanscom, Dick (October, 2009) E-sylum Vol. 12 No. 43, The Numismatic Bibliomania Society [2]

cliché, forgery, cliché, coin, forgery, type, counterfeit, coin, subtype, fourrée, produced, using, genuine, coin, impress, design, into, silver, foil, evidence, probable, manufacturing, technique, finds, small, lead, sheets, with, multiple, coin, impressions,. A cliche coin forgery is a type of counterfeit coin a subtype of fourree produced using a genuine coin to impress a design into silver foil Evidence of the probable manufacturing technique are finds of small lead sheets with multiple coin impressions and also fragments of impressed foils or complete coins The process seems to have involved the following steps First sandwiching a genuine coin between a fold of foil generally silver with a thickness of 50 100 microns This was then placed between lead sheets or a folded sheet and the pile struck with a hammer This resulted in the foils taking an impression of each face of the coin simultaeously also incidentally transferred to the lead sheets in incuse The folded foil retaining the coin impressions in register was then removed and the resulting obverse and reverse impressions were then simply soldered together usually with tin lead solder The final sandwich was then trimmed to size possibly with a pastry cutter type tool forming a circular coin It is possible the foils could have been soldered around a copper or other metal core Scanning electron microscope examination of the surface of these items clearly shows the coin design has been formed from the reverse of the foil effectively in repousse instead of the front as would be the case with normal coin striking 1 2 This type of forgery is particularly suitable for the manufacture of small thin coins Counterfeits of this type have been found both from Classical antiquity and the Middle Ages 3 Unlike most fourree coins the technique does not require a press and counterfeit dies in order to manufacture the forgeries clarification needed Chemical analysis of the silver foils and also the equivalent genuine coins shows them to be the same This strongly suggests that the forger used genuine coins or metal cut from them clipping to supply the material for the foils This also ensured that the colour of the forgery matched that of the genuine coins It is likely that 3 or 4 forgeries could be made from one genuine coin Etymology editSee also Stereotype printing Etymologies A single coin is used to make multiple counterfeits analogous to a stereotype or cliche printing plate The term cliche is used in French numismatics to refer to a thin electrotype copy of a coin or medal with the sides displayed separately so that they can both be seen at once 4 Cliche pair editA cliche is also a pair of thin blanks struck in a press with a mated pair of dies They are used as proof impressions for the artist Like many proofs however these have become desirable in themselves and are acquired by museums specifically to allow the display of both sides of a coin or medal at once 5 References edit nbsp Money portal W A Oddy amp M M Archibald The technique of some forged Medieval silver pennies in W A Oddy ed Scientific Studies in Numismatics British Museum Occasional Paper 18 British Museum Publications London 1980 pp 81 90 M R Cowell and P Guest 2012 Scientific examination of siliqua copies and forgeries from the Hoxne Treasure Numismatic Chronicle 172 227 234 Mathews Robert December 2007 Counterfeit Coin Newsletter No 9 Archived from the original on 2010 11 01 Retrieved 2010 06 30 Feet Albert 1917 A Dictionary of Numismatic Names New York The American Numismatic Society 1 Hanscom Dick October 2009 E sylum Vol 12 No 43 The Numismatic Bibliomania Society 2 Retrieved from https en wikipedia org w index php title Cliche forgery amp oldid 1168325354, wikipedia, wiki, book, books, library,

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