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1912 silver rouble, XF+ with traces of lustre, very attractive coin!
A coin is usually a piece of hard material, metal or a metallic material, in the shape of a disc and most often issued by a government. Coins are used as a form of money in transactions of various kinds. Coins made for circulation general monetized use are usually used for lower-valued units and banknotes for the higher values also in most money systems, the highest value coin is worth less than the lowest-value note.
The present rate of exchange is about 4.33 zlote for a dollar. There are 100 groszy in a zloty. The largest denomination of coin is 5 zlotych. Everything from 10 zlotych on up is paper money.
In the late 1970's the "de facto" exchange rate was 100 to 120 zlotych for a dollar. It got MUCH worse in the years that followed, until the present currency was adopted.