What is the cost of silver coins of Tsarist Russia
We can safely say that silver coins of tsarist Russia of 1700 - 1917, will definitely be able to delight everyone, even the most fastidious and demanding coin collector, otherwise…

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COIN NOT ON POCKET
This coin really can not afford neither in size nor in weight. She appeared in the reign of Catherine I. True, her institution was not original. In the first half…

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Coins and medals of the colonial countries (XVI-XXI centuries)
While in some countries, for example, in China or Japan, money in the form of coins was used for a long time, most of the Asian, African and American continents…

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Yeru simple device

Cleaning of old coins

The purpose of this message is to acquaint interested readers with the most simple and safe methods of cleaning coins, which the author can recommend based on his many years of experience in the restoration of an archaeological metal at the State Hermitage Museum. Clearing coins is one of the crucial types of restoration, it is important for their study, dating, identification and storage. Ancient coins made of silver and copper alloys, found in treasures or in other archaeological excavations, most often enter the restoration workshop highly corroded, and sometimes completely mineralized. Under the action of water and salts, copper is destroyed in the soil to form green carbonates and chlorides, red cuprous oxide and black oxide. Continue reading

Grodno found an unusual coin and counts on tips coin collectors
Near the fenced construction site in the very center of Grodno Grodno resident Anatoly Pozharov found a coin, the history of which probably sends us a few centuries ago. On…

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About buying coins
Until recently, buying up coins and their further resale could be quite a successful small business. This is especially true of the 90s, when people, without getting paid for years,…

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Medieval coins (ca. 500-1500)
Medieval coins (ca. 500-1500)The Middle Ages spanned 1,000 years of European history, starting with the earliest chased coins of the German successor states of the Roman Empire during the Great…

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