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

Ukraine - Trident Overprints -Kharkiv

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Start price: $200

Buyer's premium:

1918, black overprint (type 2) on 7r black and yellow on vertically laid paper and on perforated 1r-10r, including inverted overprints on 3.50r and 7r, full OG, mainly LH, some signed by Dr. Seichter, ex-Dr. Zelonka, C.v. $504, Est. #50-$400, Bulat #729/37, var