From Pushkin to Gagarin
The once popular bimetallic commemorative 10-ruble coins are now fading into the background. For some reason, collectors have recently become more interested in commemorative coins made of non-precious metals. One…

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History of gold coins
Gold coins at all times were considered something akin to God. People fought for the wealth and possession of countless gold coins in their treasury. Gold is the most precious…

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What is the damage of coins
In the 10th century, Count Baldwin, in order to develop a monetary business, as well as improve trade relations, created a rate of exchange transactions. So, two hens could be…

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Peter I reform
Everyone knows that Peter the Great was a great reformer. Among his innovations, we can highlight the fact that he first came up with the idea to celebrate the New…

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which further adversely

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

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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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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The largest mints of the USSR
With the emergence of the Soviet Union, or rather, with its unification of individual republics, a new problem emerged, which was where exactly it was necessary to mint coins, make…

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