| Issuer | Date | Desc | State | ||
| - | no image | Philippines | 1/25/2011 | 400th Anniversary of the University of Santo Tomas, sheet of 2 types | |
| - | no image | Philippines | 3/8/2011 | sheet of 4 types | incomplete |
| - | no image | Philippines | 5/30/2011 | Beatification of Pope John Paul II, sheet of 1 type | |
| - | no image | Philippines | 6/19/2011 | 150th Anniversary of the Birth of José Rizal, sheet of 10, 9 types | |
| - | no image | Philippines | 8/1/2011 | 25th Anniversary of the EDSA, empty sheet (#23407) | incomplete |
| - | no image | Philippines | 8/30/2011 | empty sheet (#23408) | incomplete |
| - | no image | Philippines | 11/10/2011 | Sailing Ships - Day of the Galeon, empty sheet (#23409) | incomplete |
| - | no image | Philippines | 11/11/2011 | National Stamp Collecting Month 2011, sheet of 4 types | |
| - | no image | Philippines | 12/5/2011 | Year of the Dragon 2012, sheet of 4, 2 types | |
| - | no image | Philippines | 12/15/2011 | Philippine Endemic Frogs, sheet of 4 types |