10c Air Mail Stamp Series of 1968

FIRST DAY OF ISSUE AIRCRAFT DESIGNED FOR SPEEDS OF 2000M.P.H. AIR MAIL'S GOLDEN ANNIVERSARY Art Craft USAF YEAR DE AIR FORCE Air Mail SERIES OF 1968 FRANCISCO 1968 SAN CA AIR 10c MAIL FIRST DAY OF ISSUE Judson & Lindsey 4314 7. Nelson Her. Reoria, Gee