Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union

The auction will start in __ days and __ hours

Start price: $2,000

Buyer's premium:

1931, Airship over the Arctic Region, 50k dark brown, comb perforation 10½x12, right sheet margin single with double impression of the design, nice and post office fresh, full OG, NH, VF and very rare, only a handful of this rarity is known, this one is definitely the best preserved example, authenticity is guaranteed, Est. $3,000-$4,000, Scott #C23 var