Sheets of Finland, 1991
| Issuer | Date | Desc | State | ||
| - |  |
Finland | 2/5/1991 | empty sheet (#52885) | incomplete |
| - |  |
Finland | 3/20/1991 | empty sheet (#52886) | incomplete |
| - |  |
Finland | 3/20/1991 | empty sheet (#52887) | incomplete |
| - |  |
Finland | 9/17/1991 | Children's drawings, sheet of 3 types | incomplete |
| - |  |
Finland | 10/4/1991 | Alpine skiing, sheet of 4 types | all added |