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

United States

The auction will start in __ days and __ hours

Start price: $200

Buyer's premium:

1973, Progress in Electronics, 8c multicolored, right margin single with tan (background) and lilac colors omitted, full OG, NH, VF, 50 stamps exist, C.v. $600, Est. $300-$400, Sc. #1501b