Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Soviet Union Stamps of 1941-91

The auction will start in __ days and __ hours

Start price: $500

Buyer's premium:

1983, Academician Aleksandr Sidorenko, 4k multicolored, horizontal imperforated pair with nice balanced margins, full OG, NH, VF, Est. $800-$1,000 , Sc. #5196 imp