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 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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What is now in price on the numismatic market
The dollar is falling, and the ruble is growing stronger. Especially - old. Antique coins are sold at auctions for "big money". So, at the Gelos auction before the new…

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manufactured bull

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 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 memorable signs, and so on. However, soon a solution was found, and it was that the production of insignia, as well as metal money, would be distributed between the country’s largest mint yards – the St. Petersburg Mint, the Moscow Mint and the Kiev Mint.

St. Petersburg Mint was one of the largest mints, not only in the Soviet Union, but throughout the world. Not only coins were minted here, but also insignia, orders, badges, medals and so on were made. Continue reading

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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Monetary reform of 1654
In the 17th century, the epoch in monetary business ended, when absolutely any individual, which was usually a privileged and secular society, could bring material for making coins. The state…

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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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Numismatic collection storage
The first problem that a numismatist faces when storing her collection is protection against thieves, because, as a rule, the collection itself is more valuable than each of its individual…

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