Greek coins (VII-II century BC)
In ancient Greece, the fundamental foundations of the development of European civilization were laid. The cultural achievements of the “classical time” (ca. 500-363 / 323 BC) include not only the…

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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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Opening an antique shop
Acquisition of antiques - it was and remains one of the most reliable ways to invest money, which allows you to ensure a stable income in the amount of 20-50%…

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Yeru simple device

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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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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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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