United States OVERSEA P Z - PANAMA CANAL ZONE PANAMA CANAL ZONE
Sale No: 489
Lot No:5339
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Cat No:80/1
16.7.1929, first flight "F. A. M. 9 CANALZONE CHILE", registered flight letter to Debreczen / Hungaria: (Christobal 15.7, Santiago 22.7, Buenos Aires 27.7, Budapest 29.8. And Debreczen 29.8. ) only 188 documents transported, to Hungaria probable unique! Superb cover (Image 1)(Image)