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

Imperial Russia - Tercentenary of the Romanov Dynasty

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Start price: $100

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1913, Alexander III 3k rose red and Nicholas II 7k brown, two horizontal pairs with vertical perforation strongly misplaced, full OG, NH or LH (one stamp of each pair), VF,Scott #90, 92 var