| 2004 | ||
|
||
| SG 3719/22 | ||
| Scott 2946/9 | ||
| Sheet A | ||
| Sheet B | ||
| Giant Scops Owl, Philippines Eagle Owl, Negros Scops Owl, West Visayan Hawk Owl |
| 2004 |
 |
|
SG 3721 |
| Scott 2946 |
| Giant Scops Owl |
| 2004 |
 |
|
SG 3722 |
| Scott 2947 |
| Philippine Eagle Owl |
| 2004 |
 |
|
SG 3719 |
| Scott 2948 |
| Negros Scops Owl |
| 2004 |
 |
|
SG 3720 |
| Scott 2949 |
| West Visayan Hawk Owl |
| 2007 | 2008 | 2009 | 2009 |
 |
 |
 |
 |
| SG MS4146 | |||
| SG 4006 | SG 4146p | SG 4012a/b | SG 4012c/d |
| Scott 3126 | Scott 3177p | Scott | Scott |
| Short Eared Owl | Philippine Eagle Owl | Philippine Eagle Owl & Luzon Scops Owl | Philippine Scops Owl & Spotted Wood Owl |
| 2009 | 2009 |
 |
 |
| SG 4019a/b | SG 4019c/d |
| Scott | Scott |
| Philippine Eagle Owl & Luzon Scops Owl | Philippine Scops Owl & Spotted Wood Owl |