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Investigation of Contemporary Forgeries of Ancient Silver Coins

Kraft, Gunther and Flege, Stefan and Reiff, Fritz and Ortner, Hugo M. :
Investigation of Contemporary Forgeries of Ancient Silver Coins.
[Online-Edition: http://dx.doi.org/10.1007/s00604-003-0134-x]
In: Microchimica Acta, 145 (1-4) pp. 87-90. ISSN 00263672
[Article] , (2004)

Official URL: http://dx.doi.org/10.1007/s00604-003-0134-x

Abstract

Four contemporary forgeries of ancient gold coins were investigated regarding techniques used for gilding, and the composition of the gold cover and the base metal core. The forged coins are a Daric of the Persian Empire, a Gold Stater in the name of Alexander, and two Solidi of the late Roman Empire. A combination of modern analytical methods such as Scanning Electron Microscopy (SEM), Electron Probe Micro Analysis (EPMA), X-Ray Fluorescence Spectrometry (XRF), and Secondary-Ion Mass Spectrometry (SIMS) was used. The results demonstrate that the coins represent the main three technologies of gilding used in antiquity. The core of the Daric is a silver Siglos, plated by leaf gilding. The Gold Stater was forged by foil gilding using a silver core. The Roman Solidi have a core of either silver or copper and were plated by fire gilding. On account of our results it is possible to compare the forgers' profits made by use of the different technologies of forging.

Item Type: Article
Erschienen: 2004
Creators: Kraft, Gunther and Flege, Stefan and Reiff, Fritz and Ortner, Hugo M.
Title: Investigation of Contemporary Forgeries of Ancient Silver Coins
Language: English
Abstract:

Four contemporary forgeries of ancient gold coins were investigated regarding techniques used for gilding, and the composition of the gold cover and the base metal core. The forged coins are a Daric of the Persian Empire, a Gold Stater in the name of Alexander, and two Solidi of the late Roman Empire. A combination of modern analytical methods such as Scanning Electron Microscopy (SEM), Electron Probe Micro Analysis (EPMA), X-Ray Fluorescence Spectrometry (XRF), and Secondary-Ion Mass Spectrometry (SIMS) was used. The results demonstrate that the coins represent the main three technologies of gilding used in antiquity. The core of the Daric is a silver Siglos, plated by leaf gilding. The Gold Stater was forged by foil gilding using a silver core. The Roman Solidi have a core of either silver or copper and were plated by fire gilding. On account of our results it is possible to compare the forgers' profits made by use of the different technologies of forging.

Journal or Publication Title: Microchimica Acta
Volume: 145
Number: 1-4
Publisher: Springer
Uncontrolled Keywords: Ancient coins, forgeries, SEM, EPMA, SIMS.
Divisions: ?? fb11_ca ??
11 Department of Materials and Earth Sciences > Material Science > Material Analytics
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 12 Jun 2009 12:13
Official URL: http://dx.doi.org/10.1007/s00604-003-0134-x
Identification Number: doi:10.1007/s00604-003-0134-x
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