| Issuer | Date | Desc | State | ||
| - | no image | Ecuador | 3/16/2011 | empty sheet (#20878) | incomplete |
| - | no image | Ecuador | 3/18/2011 | empty sheet (#20879) | incomplete |
| - | no image | Ecuador | 5/6/2011 | 50th Anniversary of the First Man in Space, empty sheet (#20880) | incomplete |
| - | no image | Ecuador | 6/8/2011 | Flora 2011, sheet of 8 types | incomplete |
| - | no image | Ecuador | 9/8/2011 | The Seven Wonders of Quito, sheet of 7 types | |
| - | no image | Ecuador | 11/28/2011 | sheet of 1 type |