Los 4153
1931/37, Airmail, collection of 42 first flight and air crash covers, also containing 1933 Zeppelin treaty mail cover for the 4th Southamerica flight, furthermore 1932 first flight covers to Athens and England, both taxed with "T"-marking, 2 crash covers of the "SCIPIO", 3 out of 9 flown covers 1932 Basra-Bahrain etc.; most likely the most important collection of Bahrain airmail