cover Transatlantic flight covers, 1935-39, 25 flight covers, one is AAMC #1237 (June 18, 1935, attempted flight from N.Y. to Rome resulting in the crash of the 'Francesco de Pinedo'), other covers are beginning Transatlantic service by Pan Am (North Atlantic and Northern Route service) and Imperial Airways; British, Irish and U.S. frankings, fine-very fine lot est.