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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Gold coin collecting
Since ancient times, gold coins are a unique collectible item. You can browse through many special catalogs in which hundreds, or even thousands of coins are counted. Such coins have…

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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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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

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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Value of the CBR coins
Numismatics is the meaning of life of a large number of people. The Bank of Russia is a kind of trendsetter in the field of coinage of modern numismatics. The…

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Old Russian monetary system
For quite a long time, the fact has been noticed that treasures belonging to the period from the 9th to the 11th century contain quite a lot of fragments and…

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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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