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

Yugoslavia - Issues for Bosnia and Herzegovina - Postage Due stamps

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Start price: $75

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OVERPRINT ERRORS: 1918, black overprints of transposed types (Roman vs. Cyrillic and vice versa) on 2h-40h, set of seven values; and inverted overprints in black or carmine on 2h-3kr, complete set of 13, all with full OG, NH or VLH (3), F/VF, expertized by J. Colic, Scott #1LJ1-13 var