POLAND:LOT of 7 silver coins, graded by NGC: Circulation coins: 10 zlotych 1936, Y-29 (MS61); 200 zlotych 1874, Republic Anniversary (PF67 Ultra Cameo); and Probas: 100 zlotych 1976, Kosciuszko (PF66 Ultra Cameo); 1977 Wladyslaw Reymont (PF65 Ultra Cameo); 1978 Interkosmos (PF67 Ultra Cameo); and 1980 Moscow Olympics (PF67 Ultra Cameo); and 200 zlotych 1980 Lake Placid, cross-country skiing (PF66 Ultra Cameo); retail value $600, lot of 7 slabs.
Estimate: 300-450 USD