Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Soviet Union

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Start price: $12,000

Buyer's premium:

1923, ”Fokker F111”, 5r green with wide ”5” variety, right sheet margin single on thinner paper, full OG, tiny hinge trace like a small spot of gum loss, apparently NH, VF and extremely rare stamp of only 25 examples possible, Raritan Stamps guarantee, C.v. $40,000, Est. $20,000-$25,000, Sc. #C4a