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: $250

Buyer's premium:

1980, Avicenna, Physician and Philosopher, sunken die stage proof of (4k) in black brown, artist S. Pomansky, engraver V. Smirnov, size 100x108mm, full OG, VLH, VF and very rare, Est. $500-$600,Scott #4852