Valuable little thing. How to make money on investing in rare coins
Rare coins can grow in price by hundreds of percent over ten years. What influences their value and how to find assets attractive for investment in this market? Old coins…

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FIRST RUBLE
- The original ruble of the Russian Tsar Alexei Mikhailovich in the catalog of V. I. Petrov (1900) is estimated at 300 rubles. Of course, the cost of extremely rare…

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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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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

Interesting facts about coins
Money constantly appears in our world. In any country, in any currency and in any form, be it paper or metallic money, but only thanks to them can we get…

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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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Coins and coin type of ancient Greece
The stamp imprint on the coins is the seal of the country or city that issued it. The drawings and inscriptions on the coins represent the most important concept of…

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