Auction 90, Session 1 - Worldwide Rare Stamps and Postal History

United States - Air Post stamps

The auction will start in __ days and __ hours

Start price: $250

Buyer's premium:

1973, Progress in Electronics, 11c multicolored, olive green color omitted, very light impression of vermilion frame is presented, full OG, NH, VF, APEX certificate, C.v. $1,000, Est. $400-$500, Sc. #C86c