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

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

Lot 159: United States - Classic Stamps, Proofs and Multiples

2024-04-24T15:00:00Z

Start price: $250

Lot 159:

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United States - Classic Stamps, Proofs and Multiples

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Start price: $250

Description

1920(c), Liberty, American Banknote Co. imperforate proofs of 2(c) in black, blue or green, four horizontal pairs on colored (3) or white paper, each one inscribed ”Experiment” at top and ”Specimen” at bottom, no gum as issued or full OG (green on white), NH, VF and very scarce group, Est. $500-$600