Poland
Polish People’s Republic (1952–1989) – proof coins
(variant without denomination) Mieszko and Dąbrówka—heads facing right, with the Eagle below them; on the obverse, a small Eagle surrounded by coats of arms; on the reverse, the raised inscription “PRÓBA”
nickel, mintage of 500 pieces (NBP) or 699 pieces (MW), beautifully preserved coin
