| Issuer | Date | Desc | State | ||
| - | no image | Ecuador | 4/20/2012 | empty sheet (#20884) | incomplete |
| - | no image | Ecuador | 4/20/2012 | empty sheet (#20885) | incomplete |
| - | no image | Ecuador | 6/8/2012 | empty sheet (#20886) | incomplete |
| - | no image | Ecuador | 7/31/2012 | Alfarista Revolution, empty sheet (#20887) | incomplete |
| - | no image | Ecuador | 7/31/2012 | Alfarista Revolution, sheet of 1 type | incomplete |
| - | no image | Ecuador | 8/28/2012 | empty sheet (#20889) | incomplete |