How to search for coins with a metal detector
A pot of gold coins hiding not only leprechauns on the poppy field, such finds of Ukrainian treasure hunters happen in our not at all fairy-tale state. Of course, it…

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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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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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oxides connecting them

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

Roman coins (III century BC - V century AD)
The Roman Empire dominated most of the ancient world known to us for over 500 years and exerted a decisive influence on the economy, art and culture of Europe in…

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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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How to search for coins with a metal detector
A pot of gold coins hiding not only leprechauns on the poppy field, such finds of Ukrainian treasure hunters happen in our not at all fairy-tale state. Of course, it…

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