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

United States

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Start price: $1,500

Buyer's premium:

1894, Bureau issue, 1c-$5, large die proofs on India mounted on sunken die cards, complete set of 13, approximate size 61x64mm, card size 150x200mm, 3k purple with triangle of type II, nice and very fresh unit, VF and scarce, C.v. $4,850, Est. $2,500-$3,000, Sc. #247P1/ 63P1