Auction 90, Session 2 - Worldwide Rare Stamps and Postal History

Soviet Union Stamps of 1923-40

The auction will start in __ days and __ hours

Start price: $4,500

Buyer's premium:

1938, Papanin’s Expedition, 50k blue, bottom sheet margin imperforated block of four, two top stamps with minor facial abrasion, nice quality multiple otherwise, full OG with slight mount adhesion, NH (bottom stamps) or LH, VF and very rare multiple, C.v. $14,200, Est. $6,000-$7,000, Sc. #646a