Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3

Poland - Semi - Postal issues

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Start price: $75

Buyer's premium:

1945, Last Stand at Westerplatte, 1+9zl slate blue, imperforated single and a stamp from printer’s waste with a part of adjoining stamp at left, full OG, LH or no gum as produced, VF, Est. $100-$150, Sc. # B41