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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Commemorative coins
In the new history there are many anniversaries, celebrations, coronations, which you can almost always find out by looking at the coins issued in honor of this event. A Soviet…

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European coins and medals (XVI-XXI century)
New time in numismatics begins in Europe around 1500 in the lands of the Habsburgs. In 1486, by order of the Archduke Sigismund (1439-1490), the Tyrolean guldengros was minted. It…

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copper carbonate

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

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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What is now in price on the numismatic market
The dollar is falling, and the ruble is growing stronger. Especially - old. Antique coins are sold at auctions for "big money". So, at the Gelos auction before the new…

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Numismatics Museum in Nicosia
The ancient Greeks attributed the invention to heroes of myths, and the Romans to their gods Janus and Saturn (they believed that the oldest coins were made by Janus in…

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