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:

1936, Pioneers Helping Post, 1k-15, perforation 14 and 11, two complete sets of six, full OG, all are NH (5k with perf 11 has natural spot of gum skip), VF, C.v. $243, Sc. #583-88, a