Collection of 171 covers, almost all Pan-Am first flight covers from various clipper routes around the world, most with stamped cachets commemorating the flight. Routes include: Vienna to London, Managua to Houston, Rio de Janeiro to New York, New York to Ankara, Rangoon to Bangkok, and Gander, Newfoundland to Calcutta. Also included are several FDCs honoring various aircraft and trans-Atlantic flights. In overall fine condition. RR Auction COA.
