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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Features storage collections of coins and stamps
Among other types of collecting, collecting coins is among the most complex and costly. Initially, the collection begins with a small number of valuable items, which quickly increases over time.…

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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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A set of jubilee coins dedicated to the 200th anniversary of the Patriotic War of 1812
Nothing can so please the present coin collector, as a new coin in its collection, and even better, if it will be a whole album of commemorative coins. However, if…

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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

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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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 Cabinet
Have you ever thought, respected coin collectors and just collectors, over where is the largest collection of coins in the world? Surely most of you imagined a world famous collector…

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