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

Russian Air Post Stamps and Covers

The auction will start in __ days and __ hours

Start price: $150

Buyer's premium:

1939, Day of Aviation, lilac brown, red or blue overprints on Balloons and Planes issue, 10k-1r, complete set of five, unfolded blocks of four, full OG, NH, VF, Est. $250- $300, Sc. #C76-76D