Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2

Soviet Union

The auction will start in __ days and __ hours

Start price: $2,500

Buyer's premium:

1979, Flag and Soviet Emblem, 4k multicolored, top right corner sheet margin horizontal imperforated pair, full OG, NH, VF and the most rare and expensive imperf of the period, Est. $4,500-$5,000, Scott #4795 imp