Sheets of Japan, 1991
| Issuer | Date | Desc | State | ||
| - |  |
Japan | 7/23/1991 | Letter Writing Day 1991, sheet of 1 type | all added |
| - |  |
Japan | 11/15/1991 | PHILANIPPON '91, sheet of 2, 1 type | all added |
| Issuer | Date | Desc | State | ||
| - | |
Japan | 7/23/1991 | Letter Writing Day 1991, sheet of 1 type | all added |
| - | |
Japan | 11/15/1991 | PHILANIPPON '91, sheet of 2, 1 type | all added |