Sheets of Cuba, 1966
| Issuer | Date | Desc | State | ||
| - | no image | Cuba | 10/18/1966 | 17th World Chess Olympiad, sheet of 1 type | all added |
| - |  |
Cuba | 10/18/1966 | empty sheet (#52742) | incomplete |
| - | no image | Cuba | 12/12/1966 | 1st National Telecommunications Forum, sheet of 3 types | |
| - |  |
Cuba | 12/12/1966 | empty sheet (#52743) | incomplete |