Sheets of Philippines, 1988
| Issuer | Date | Desc | State | ||
| - |  |
Philippines | 9/17/1988 | Olympics 1988 b, empty sheet (#23147) | incomplete |
| - | no image | Philippines | 9/30/1988 | empty sheet (#23148) | incomplete |
| - | no image | Philippines | 10/6/1988 | 50th Anniversary of Christian Children's Fund, empty sheet (#23149) | incomplete |
| - |  |
Philippines | 10/19/1988 | 50th Anniversary of Bacolod City Charter, empty sheet (#23150) | incomplete |
| - | no image | Philippines | 12/20/1988 | 50th Anniversary of University of Santo Tomas Graduate School, empty sheet (#23151) | incomplete |