1928 Germany flight cover from New York to Bavaria, attractively franked with C4-6, 7-9, 11, etc., with corresponding cachet and arrival pmk, fine-v.f. (Image)

Est.$150

1928 Germany flight cover from New York to Cottbus, attractively franked with C4-6, 8-11, etc., with corresponding cachet and arrival pmk, fine-v.f. (Image)

Est.$150

1929 Round the World flight Los Angeles to Lakehurst, franked with block of 8x8c green (C4), with corresponding cachet and Aug 29, 1929 arrival pmk (Image)

Est.$150

1930 Europe-Pan-America flight Lakehurst to Spain, nicely franked with a combination of Air Post and Regular Issue stamps paying $1.32, with Seville 6 June 30 arrival pmks (Image)

Est.$150

1930 Europe-Pan-America round flight New York to Lakehurst, franked with $2.60 regular issues, with corresponding cachets and arrival pmk (Image)

Est.$150