Bidspirit auction | Poland - Post-World War II

Poland - Post-World War II Issues - 1945, black surcharges ''Poczta Polska. 50gr'' on stamps of Generalgouvernement 6gr-48gr, set of eight and 6 proofs of the same surcharge on 60gr, 80gr and two of each on 1zl and 1.20zl with perforation 12½ and 13¾x14, all are unused, no gum, looks VF, S. Mikstein hs on each value, Fischer #VIII/XXb, Est. $500-$600