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: $400

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1913, Romanov Dynasty, Alexander III, two imperforate stage proofs of central vignette for stamp of 3k in rose red, unfinished and finished design of the oval, printed on thickened chalk-surfaced paper without gum, sizes 27x42mm and 26x32mm, the last one with marginal thin, both are hinged, VF appearance and very scarce, Est. $800-$1,000, Scott #90