R-, 1 penny 1990, SAMPLE OF THE THREAT X

On January 1, 1995, denomination was being carried out in Poland, the Warsaw Mint, before introducing the new coins into circulation, made a number of test and proof mints. These coins are extremely rare today, with most of them being offered on the auction market for the first time.
In the coin collections of the last century, which were machine-minted in large quantities, it is not the quantity of coins that indicates its quality, but the number of gems in it. One of the highest grades of pearls are low-volume proofs and process proofs.
The stamping sample is 1 grosz in diameter. On one side the Warsaw mint mark - MW, on the other the letter of the alphabet X. The trial stamped as a twist. NOTE: Due to the similarity to circulating money, it is prohibited to use it as a token of payment. A rarity for the best collections.