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: $100

Buyer's premium:

1938, North Pole Flight, 80k carmine, right sheet margin imperforated single, full original gum with minor soiling at top looks as tiny translucent spot, VF, C.v. $150, Sc. #628a