Recovery of monetary business in Russia
After a rather long period of coin-less commodity circulation, in 1380 under the Grand Duke Dmitry Donskoy, the coins regained their function. In addition, the revival of the coin case…

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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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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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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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white spirit

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 ruble of Emperor Constantine I from the Romanov dynasty
The most important mystery of this coin is that there has never been such an emperor like Constantine I, but there was a ruble of Constantine I! Not a single…

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History of tokens
Tokens have a rather interesting story. They have at all times been used as support for real currency. But in itself, a token is considered "non-currency". Let's dive into history…

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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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