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The Conservation of Early Post-Medieval Period Coins Found in Estonia

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Author(s): Aive Viljus | Mart Viljus

Journal: Journal of Conservation and Museum Studies
ISSN 2049-4572

Volume: 10;
Issue: 2;
Start page: 30;
Date: 2013;
Original page

Keywords: archaeological silver coins | removal of corrosion products | different conservation methods

ABSTRACT
This article deals with archaeological find material with a low silver content and the problems of conserving such material. The aim of the research was to find the most suitable method for the conservation of poorly preserved early post-medieval period coins with varying composition. For this, first, the composition of both the metal and the corrosion products of the archaeological coins were analysed, after which comparative experiments of different cleaning methods were carried out in order to find out the least harmful and most efficient method. A test was also performed to determine the necessity and efficiency of stabilizing the surface of the coins after cleaning.
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