9c Air Mail Stamp Series of 1971 Block of Stamps

FIRST DAY OF ISSUE WILBUR AND ORVILLE WRIGHT WRIGHT BROTHERS FIRST SUCCESSFUL AIRPLANE FLYING AT KITTY HAWK, N. C. DECEMBER 17, 1903 9 AIR MAIL SERIES OF 1971 Art Craft HAWK, 15 1971 27949 KITTY 2.5. Lindsey 4314 7. Nelson he Reoria gee. NC 9c 9¢ U.S.AIR MAIL U.S.AIR MAIL BRST DAY OF LOQUE 9° U.S.AIR MAIL 9¢ U.S.AIR MAIL 32945