Sheets of Tanzania, 1988 incomplete
| Issuer | Date | Desc | State | ||
| - | no image | Tanzania | 6/15/1988 | empty sheet (#57208) | incomplete |
| - | no image | Tanzania | 6/15/1988 | empty sheet (#57209) | incomplete |
| - | no image | Tanzania | 7/1/1988 | empty sheet (#57210) | incomplete |
| - | no image | Tanzania | 8/8/1988 | empty sheet (#57211) | incomplete |
| - | no image | Tanzania | 8/15/1988 | empty sheet (#57212) | incomplete |
| - | no image | Tanzania | 8/15/1988 | empty sheet (#57213) | incomplete |
| - | no image | Tanzania | 8/15/1988 | empty sheet (#57214) | incomplete |
| - |  |
Tanzania | 9/5/1988 | empty sheet (#15113) | incomplete |
| - | no image | Tanzania | 9/5/1988 | empty sheet (#57215) | incomplete |
| - | no image | Tanzania | 9/5/1988 | empty sheet (#57216) | incomplete |
| - | no image | Tanzania | 9/9/1988 | empty sheet (#57217) | incomplete |
| - | no image | Tanzania | 9/9/1988 | empty sheet (#57218) | incomplete |
| - | no image | Tanzania | 9/9/1988 | empty sheet (#57219) | incomplete |
| - | no image | Tanzania | 10/17/1988 | empty sheet (#57220) | incomplete |
| - | no image | Tanzania | 10/17/1988 | empty sheet (#57221) | incomplete |
| - | no image | Tanzania | 11/1/1988 | empty sheet (#57222) | incomplete |
| - | no image | Tanzania | 12/19/1988 | empty sheet (#57223) | incomplete |
| - | no image | Tanzania | 12/30/1988 | empty sheet (#57224) | incomplete |