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

Poland - Newspaper stamps

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Start price: $75

Buyer's premium:

1919, black overprints ”Poczta. Polska” on Newspaper stamps of Austria 2h-30h, complete set of five, full/large part of OG, VF, each stamp expertized, C.v. $311, Est. $100-$150, Sc. # P1-P5