Sheets of Laos, 1988
| Issuer | Date | Desc | State | ||
| - |  |
Laos | 1/10/1988 | empty sheet (#22273) | incomplete |
| - |  |
Laos | 2/7/1988 | empty sheet (#22274) | incomplete |
| - |  |
Laos | 3/3/1988 | empty sheet (#22275) | incomplete |
| - |  |
Laos | 4/14/1988 | empty sheet (#22276) | incomplete |
| - |  |
Laos | 6/1/1988 | empty sheet (#22277) | incomplete |