changing sheets
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
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 and look at the development of the token industry in the world.
The very word “token” came from the French “jeton”. These tokens were used as “tickets”, funds for obtaining any specific goods or services. This, in any case, was not full money. Continue reading
Coins of the island of Svalbard
A little story of a small place. Svalbard is a set of islands that are located in the area of the Arctic Ocean. In 1920, these islands joined Norway. At that time, Norway was referred to as the Kingdom of Norway. A little later, in 1932, the USSR were able to rent a number of islands. In particular, this concerned two villages – the Pyramid and Barentsburg. These villages were of interest to the Soviet Union, since there was a very large coal deposit there. And the infrastructure was built in the form of fairly modern mines.
Coal mining was entrusted to a state-owned company called Arktikugol. Recall that in the Soviet Union there were no private companies, only state-owned. Continue reading
