Sheets of United States, 1976
| Issuer | Date | Desc | State | ||
| - |  |
United States | 1976 | sheet of 50 types | all added |
| - | no image | United States | 1976 | empty sheet (#242) | incomplete |
| X |  |
United States | 1976 | Interphil sheets, sheet of 5 types | |
| X |  |
United States | 1976 | Interphil sheets, sheet of 5 types | |
| X |  |
United States | 1976 | Interphil sheets, sheet of 5 types | |
| X |  |
United States | 1976 | Interphil sheets, sheet of 5 types | |
| - | no image | United States | 1976 | empty sheet (#247) | incomplete |
| - | no image | United States | 1976 | empty sheet (#248) | incomplete |