COIN NOT ON POCKET
This coin really can not afford neither in size nor in weight. She appeared in the reign of Catherine I. True, her institution was not original. In the first half…

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What is now in price on the numismatic market
The dollar is falling, and the ruble is growing stronger. Especially - old. Antique coins are sold at auctions for "big money". So, at the Gelos auction before the new…

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Possessions of the Habsburgs - Austria (XII-XX centuries)
In 1273, King Rudolph I became the first representative of the Habsburg clan who ascended to the Roman-German throne. It began the reign of the Habsburg dynasty, which lasted until…

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NUMISMATICS AND COLLECTION
It is difficult to convey what the collector of old coins is going through, having found the necessary coin after a long search. This is an incomparable joy of the…

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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

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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Crusader coins (ca. 1095-1523)
It is unlikely that there will be events that have had such a strong influence on the social and cultural development of the medieval world from the 11th to the…

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