1976 Rocket aerogram
1976 Rocket
Same design as 1957, but with an 11 centavos "1976" green indicium and creamy yellow background. "R de C" watermark.
The "CUBA AEREO" in the background is rotated 90° clockwise compared with the 1957-1974 versions.
1976 Rocket - Used to Oak Park, Illinois
1976 Rocket - Used from Havana to San Francisco, California