Continuing the balloon flight theme: here are some Balloon flight covers from the US.
A cover flown during the 2nd World Hot Air Balloon Championships held at Albquerque from 2nd - 12th October, 1975. 15 Nations and 34 pilots participated. Cover flown on Balloon "Grape Escape" Pilot: Jim Kernaghan.
Cover flown during the Albuquerque International Fiesta 1976.
Cover flown during the 2nd Great Pershing Balloon Derby held in Maryland 1-4 September, 1978.
Albuquerque International Balloon Fiesta's became a yearly feature. A cover flown on 10th October, 1979 on "The Grape Escape" with Jim Kernaghan as pilot.