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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Numismatics. Railway is dedicated to ...
Coins for millennia are not only a means of payment, but also the subject of art coinage. Since ancient times, each state on the main side of its banknote has…

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The history of coinage of antique coins
After the minting of the first coins was mastered, it is necessary to somehow simplify this rather complicated procedure. And the solution was soon found and put into practice. Approximately…

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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

The history of coinage of antique coins
After the minting of the first coins was mastered, it is necessary to somehow simplify this rather complicated procedure. And the solution was soon found and put into practice. Approximately…

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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 of the era of silver crisis
On the territory of the Muslim East, as well as in medieval Europe, coins were one of the ways and means of exploiting the lower classes. The social groups that…

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Valuable coins of the era of Paul the First
Despite the fact that there is an enormous amount of coins all over the world, it is the coins of pre-revolutionary Russia that deserve a lot of attention, differing not…

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