| Issuer | Date | Desc | State | ||
| - | no image | Argentina | 3/14/1992 | empty sheet (#52549) | incomplete |
| - | no image | Argentina | 6/6/1992 | empty sheet (#52550) | incomplete |
| - | |
Argentina | 12/5/1992 | IBEROPRENFIL '92, sheet of 4 types | incomplete |
| - | no image | Argentina | 12/26/1992 | empty sheet (#52551) | incomplete |