Coin collecting as a hobby
Modern collectors collect various items. Some collect stamps, others - coins, and there are those that are particularly original. Collecting coins is very popular, because everyone who has found or…

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Byzantine coins (ca. 500-1453)
The fall of the Roman Empire was in the late Middle Ages, at least in the east of Europe. After the death of Emperor Theodosius I in 395, the Roman…

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Numismatics Museum in Nicosia
The ancient Greeks attributed the invention to heroes of myths, and the Romans to their gods Janus and Saturn (they believed that the oldest coins were made by Janus in…

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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

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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Treasure Hunt in Ukraine
Findings of treasure hunters of Ukraine fascinate with their wealth and antiquity: here are Scythian gold, royal coins, church utensils, ancient icons, various artifacts and decorations. Perhaps you also want…

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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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