Where can I sell coins on the Internet
If the “old” coin collectors still prefer to sell and buy coins for the collection “from hand to hand”, then collectors of the 21st century have been doing this for…

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Franz Joseph I Commemorative Coins
From December 2, 1848, Franz Joseph I was Emperor of the Austrian Empire and King of Bohemia, Apostolic King of Hungary. Franz Ripl in 1829 gave the emperor the idea…

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Celtic Coins (III-I century BC)
The name "Celts" was first mentioned by the Greek historian Herodotus (Greek "keltoi" means "brave"). At one time, the Celts were scattered throughout Northern Europe, although it was never a…

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Chinese Coins - 2000 Years of Coin History and Money
China is the most populous country in the world. Its population is 1 billion inhabitants, and the history goes back more than 2000 years. Scientists have found that money was…

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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

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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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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