| Issuer | Date | Desc | State | ||
| - | no image | GuineaBissau | 5/5/1976 | empty sheet (#65819) | incomplete |
| - | no image | GuineaBissau | 5/10/1976 | sheet of 1 type | |
| - | no image | GuineaBissau | 9/12/1976 | empty sheet (#65821) | incomplete |
| - | no image | GuineaBissau | 10/4/1976 | empty sheet (#65822) | incomplete |
| - | no image | GuineaBissau | 10/18/1976 | sheet of 1 type | |
| - | no image | GuineaBissau | 11/3/1976 | sheet of 1 type | |
| - | no image | GuineaBissau | 11/24/1976 | Olympics 1976, sheet of 1 type |