Poland, Peoples Republic. 10 Groszy 1961, Warszawa, Parchimowicz 206.a, Fischer OB 031, KM Y# AA47, Aluminium 17,6 mm, weight 0,7 g., Condition BU, coin in box ECC MS 66
J. Parchimowicz. Katalog monet polskich obiegowych i kolekcjonerskich od 1916 / Polish circulation and collector coins catalog since 1916. Edition 33 / 2024.
The latest price list of Polish coins since 1916. Hardcover, coated paper, full color, size 123 x 186 mm, 420 pages, Polish language, new