| Issuer | Date | Desc | State | ||
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20890) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20891) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20892) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20893) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20894) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20895) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20896) | incomplete |
| - | no image | Ecuador | 9/1/1949 | empty sheet (#20897) | incomplete |