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

Italy - Occupation of Montenegro

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Start price: $100

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1941, errors of black overprint on King Peter II stamps of 1d green (inverted), 3d red brown, two singles and two horizontal pairs with shifted to the top, transposed lines and changed ”I” to ”1” in overprints, 4d ultra horizontal pair with overprints shifted to the left and changed ”I” to ”1” in ”XIX”, all with full OG, NH, VF, first one with K. Ceremuga certificate, Sassone #2a, 5g, 6i, C.v. at least 1,250, Est. $150-$200, Sc. # 2N1, 2N5-6, var