Sheets of Laos, 1990
| Issuer | Date | Desc | State | ||
| - |  |
Laos | 1/10/1990 | empty sheet (#22283) | incomplete |
| - |  |
Laos | 3/5/1990 | empty sheet (#22284) | incomplete |
| - | no image | Laos | 4/26/1990 | empty sheet (#22285) | incomplete |
| - |  |
Laos | 6/20/1990 | empty sheet (#22286) | incomplete |
| - |  |
Laos | 8/24/1990 | New Zealand 1990, sheet of 1 type | all added |