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Cohn, Ernst M.
The French Commissars' Airmail of 1793 Balloon mail / Ernst M. Cohn
STA IN : Postal History Journal May 1971 N. 28. - New York : Postal History Society, 1971. - P. 38-49 : ill. b.n. ; 25 cm.
Abstract: Earliest known aerophilatelic cover. Valenciennes balloons
Tipo: 111 - Analitico
| Lingua: ENG
| Paese: US
| Codice: XABPO0143604
| MFN: 0132189
