| Issuer | Date | Desc | State | ||
| - | no image | Tuvalu | 5/9/1988 | 125th Anniversary of the International Red Cross, sheet of 1 type | all added |
| - | no image | Tuvalu | 6/15/1988 | Voyages of Captain Cook, sheet of 1 type | all added |
| - | no image | Tuvalu | 9/28/1988 | 10th Anniversary of Independence, sheet of 1 type | all added |
| - | no image | Tuvalu | 9/28/1988 | 10th Anniversary of Independence, sheet of 1 type | all added |
| - | no image | Tuvalu | 9/28/1988 | 10th Anniversary of Independence, sheet of 1 type | all added |
| - | no image | Tuvalu | 9/28/1988 | 10th Anniversary of Independence, sheet of 1 type | all added |
| - | no image | Tuvalu | 12/5/1988 | Christmas 1988, sheet of 1 type | all added |