1942 (Jan. 7) Airmail cover from Dupont Corporation's Delaware headquarters with 'Wilmington Del.' 10¢ Postage Meter label. Sent to its Vice President Frederick William Pickard in Havana, Cuba. US Censor's label at left. 'Habana, Cuba' slogan duplex bkstp (Jan. 11). Cuba Censor's large circular cachet in purple on reverse (dated April 29). Forwarded to Miami with US Censor's tape at right tied on reverse by 'Miami, Fla.' duplex bkstp (May 3), Second World War
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, NC
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Worldwide Proofs, Varieties, Rare Stamps & Postal History
Auction 49
February 17 - 20, 2026
An extraordinary auction of worldwide proofs — die proofs, master die proofs, deluxe die proofs, trial color proofs, plate proofs. Also rare specimens, varieties, scarce stamps, and unique postal history treasures from across the globe.
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