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

United States

The auction will start in __ days and __ hours

Start price: $100

Buyer's premium:

1979, definitive issue, American Schools, 30c green on blue paper, block of four printed on double paper (probably because of the paper roll ended), full OG, NH, VF and rare, Est. $150-$200, Sc. #1606 var