| Issuer | Date | Desc | State | ||
| - | no image | Paraguay | 3/15/1973 | empty sheet (#36653) | incomplete |
| - | no image | Paraguay | 3/15/1973 | empty sheet (#36654) | incomplete |
| - | no image | Paraguay | 3/15/1973 | empty sheet (#36655) | incomplete |
| - | no image | Paraguay | 3/15/1973 | empty sheet (#36656) | incomplete |
| - | no image | Paraguay | 6/29/1973 | empty sheet (#36657) | incomplete |
| - | no image | Paraguay | 6/29/1973 | empty sheet (#36658) | incomplete |
| - | no image | Paraguay | 6/29/1973 | empty sheet (#36659) | incomplete |
| - | no image | Paraguay | 6/29/1973 | empty sheet (#36660) | incomplete |
| - | no image | Paraguay | 7/29/1973 | empty sheet (#36661) | incomplete |
| - | no image | Paraguay | 10/8/1973 | empty sheet (#36662) | incomplete |
| - | no image | Paraguay | 10/8/1973 | empty sheet (#36663) | incomplete |
| - | no image | Paraguay | 10/8/1973 | empty sheet (#36664) | incomplete |
| - | no image | Paraguay | 11/14/1973 | empty sheet (#36665) | incomplete |
| - | no image | Paraguay | 11/14/1973 | empty sheet (#36666) | incomplete |
| - | no image | Paraguay | 11/14/1973 | empty sheet (#36667) | incomplete |
| - | no image | Paraguay | 11/14/1973 | empty sheet (#36668) | incomplete |
| - | no image | Paraguay | 12/30/1973 | empty sheet (#36669) | incomplete |