Valuable coins of the era of Paul the First
Despite the fact that there is an enormous amount of coins all over the world,…

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Gold coin collecting
Since ancient times, gold coins are a unique collectible item. You can browse through many…

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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…

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Value of the CBR coins
Numismatics is the meaning of life of a large number of people. The Bank of…

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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

From Pushkin to Gagarin
The once popular bimetallic commemorative 10-ruble coins are now fading into the background. For some…

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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,…

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Penny saves the ruble
1535 is the birthday of a penny. Contributed to this mother of Ivan the Terrible,…

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