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: $75

Buyer's premium:

1957, First Sputnik, black two-line overprint on Tsiolkovsky stamp of 40k in blue instead of dark blue and brown, full OG, NH, VF, a common stamp is included for comparison, Scott #2021 var