Сollecting coins
Now numismatics is not only collecting, but also a good investment of money. Not for nothing is the most ancient hobby, namely collecting coins, at present, is one of the…

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German coins since 1871 - from Reichsmark to Euro
With the adoption of the constitution of the German Empire on April 16, 1871, responsibility for the currency of the empire passed from individual federal states to the government of…

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How to invest money in coins
The stock market is falling, the ruble is getting cheaper, interest on deposits hardly falls short of inflation. And we all begin to think about other ways to save and…

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soda solution

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

Vintage German coins and medals
Coinage in the territory of the German state from the end of the Middle Ages (XV century) and until the introduction of the imperial state currency in 1871 is without…

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Interesting facts from the history of collecting
The origins of collecting lead in antiquity. Notable people collected antiques and art objects and decorated them at home. In the I-II century BC in ancient Rome, the market of…

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Medieval coins (ca. 500-1500)
Medieval coins (ca. 500-1500)The Middle Ages spanned 1,000 years of European history, starting with the earliest chased coins of the German successor states of the Roman Empire during the Great…

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