Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Italy

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Start price: $250

Buyer's premium:

1922, 9th Italian Philatelic Congress at Trieste, black overprint on King Victor Emmanuel stamps of 10c-40c, complete set of four used on commemorative postcard, VF, expertized by A. Diena and Raybaudi, C.v. $1,350, Sassone #123-26, C.v. €1,900, Scott #142A-D