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

Soviet Union - Die Proofs Selection

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Start price: $300

Buyer's premium:

1977, Marshal Ivan Konev, die proof of 4k in slate green, artist A, Filippov, engraver A. Tkachenko, size 90x111mm, minor stamp ink traces on front and reverse, no gum as produced, NH, VF and very rare, Est. $600-$800,Scott #4546