Coins of three eras and their manufacturing techniques
It happens that determining the place and specific time of minting coins of medieval Russia is quite problematic to establish. This is due to the fact that the medieval coins…

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Coins and art
When the state treasurer put his stamp on a small piece of metal, he cared not only to record the purity and weight of the metal with this action, but…

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3 coins of medieval England
A rather large role in collecting coins is played by the age of the coins themselves, and the older they are, the more valuable your collection will be. A typical…

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Commemorative coins of the Republic of Belarus
The commemorative coins of the state of the Republic of Belarus are the official commemorative coins issued by the national bank. These metallic banknotes are not only a symbol of…

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metal manufactured

Coin cleaning rules

No matter what metal coins are made of, there are a number of general rules that must be observed when cleaning their surface from contamination.

In no case do not immediately dry-clean the coin. Their surface is usually not evenly polluted, and the reagent can react with the metal in areas where there is less dirt, while other areas will still need to be cleaned. Therefore, the mechanical cleaning of the coin is first applied.

To start this process will need water. Pay special attention to the fact that not all water is suitable for cleaning coins. Continue reading

Medicine on coins and bons
Medicine has almost always been in any state on one of the first places, and such a manifestation can be seen on many antiquities, for example, on the same coins…

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The first banknotes of the Northern Black Sea coast
In the early stages, after the settlement of settlements by Greek colonists in the Northern Black Sea region, exchange and trade with local tribes were conducted by means of “barter”…

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Rare coins of Russia
ussia has gone through a long history of development, which is reflected in the coins. For coins, it is quite easy to study the history of the country, as they…

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