RR-, 1 Grosz 2004, mint, double destruct, REVERSE 180 degrees, "minted by"

Coin very rare, double destruct - minting with a stamp reversed by 180 degrees, and minting by a foreign body. The eagle on the obverse in relation to the images on the reverse upside down - the so-called REVERSE. The reverse is minted by a foreign body that got between the stamp and the disc, hence the difficult to read word GROSZ in the denomination. A great rarity, as double destructions are exceedingly rare. In collections of coins of the last century, struck by machine in great numbers, it is not the quantity of coins that indicates the quality of the collection, but the number of gems in it. There is no higher class of gems than low-volume SAMPLES, and even rarer to them, created by accident, interesting minting errors (offsets, reverses).