Cuba
| Country: | Cuba |
| Type: | Postage stamps |
| Series: | EXPO '76 - Technical Sciences of the USSR |
| Nominal: | 30 ¢ |
| Year: | 1976 |
| Size: | 46 x 31 mm |
| Perforation: | comb 12½ |
EXPO '76 - Technical Sciences of the USSR
 Medicine 0.13$ |  Environmental protection 0.11$ |  Cosmonauts 0.17$ |  Tupolev supersonic jet |