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COAF86-4-13: USA Aerogram “36c Mark Twain, Halley's Comet” carried aboard Air France Concorde F-BVFF on “Scientific Flight AF4157 for observation of Halley's Comet, New York - New York, April 13, 1986”
- Postmark: New York JFK, April 13, 1986
- Flight authentication stamp
- Postal link: “Strasbourg, Council of Europe” (France)
- Flight certificate
- Rare
Data sheet
Specific References
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