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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Ancient coins
1. Old coins of Russia - gold and silver coins of Prince Vladimir These were the first coins minted in Kievan Rus at the end of the 10th century, then…

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Numismatics - Peter's true passion
In recent years, interest in numismatics has increased among the Russian population, which is both exciting and quite profitable. Following this trend, many shops selling antiques open stores for coin…

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soda solution

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

Russian coins and medals (XV-XX century)
The history of Russian coins is still relatively short. In its development, the monetary business of Russia did not directly rely on ancient or medieval designs, and yet in an…

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NUMISMATICS AND COLLECTION
It is difficult to convey what the collector of old coins is going through, having found the necessary coin after a long search. This is an incomparable joy of the…

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FALSIFICATION AND COINS
The whole history of numismatics is a kind of struggle with various fakes and other types of falsification. Even novelists, going from hands to hands of collectors, out of ignorance…

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