41. In my question, I referred to greeting cards sent via First Class international air mail . 42. During this period, Boeing began designing and producing aircraft specialized in the air mail industry. 43. About 150 people work at that facility, which handles air mail , priority and express mail. 44. Regular transcontinental air mail delivery began in 1924. 45. By late Wednesday, letter air mail service was restored statewide, said Postal Service spokesman David Mazer. 46. Blackpool and West Coast Air Services resumed the air mail service from February to October 1935. 47. She then claimed that the rate for sea mail and air mail was almost the same. 48. The main provision of the Air Mail Act changed the manner in which payments were calculated. 49. They were running an air mail service from Maisoncelle to the steamer to cross the Channel. 50. Johnston was killed in a crash of an air mail flight in 1932 at age 34.
