Air Mail cover 1925 (15-18 April) envelopes carried by the airship "Los Angeles", comprising Lakehurst-Bermuda (15.4 and 18.4 -- rare) and Bermuda-Lakehurst; 1938 (16-17 March) envelopes carried on FAM 17 first flight, fourteen on the Baltimore-Bermuda stage (two with the Hamilton "1936" for "1938" error of date and one signed by the Baltimore Postmaster) and one on the return flight