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

Worldwide Air Post Stamps and Postal History - United States

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Start price: $1,200

Buyer's premium:

1918, Curtiss Jenny, large die proof of 24c in carmine, printed on India paper and mounted on large sunken die card, size of proof is 87x75mm, size of card 202x150mm, excellent condition, no gum as produced, VF and rare, C.v. $4,750, Est. $2,200-$2,400, Sc. #C6P1