History of Aviation, Rare Stamps and Postal History of the World, Part 3

Ukraine -Trident Overprints - Kharkiv

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Start price: $150

Buyer's premium:

1918, black overprint (type 2) on 3.50 black and gray and 7r black and yellow, printed on vertically laid paper, both are postally used at Kharkiv, mostly VF and scarce, both with experts’ signs, C.v. $550, Est. $250-$300 , Bulat #743-44