| 1990 | 1996 | 1998 | 2011 | 2011 |
 |
 |
 |
 |
 |
| Close Up | ||||
| SG E1 | SG 1355 | SG 1427 | SG | SG |
| Scott CE1 | Scott 929b | Scott 994 | Scott 1166 | Scott 1170i |
| Imperf | Hieroglyphics | Sheet | ||
| Short Eared Owl | Stylised Owl | Barn Owl | Barn Owl | Barn Owl |
| 2012 | 2012 | 2012 | 2012 |
 |
 |
 |
 |
| SG E2 | SG E3 | SG E4 | SG E5 |
| Scott CE5 | Scott CE4 | Scott CE3 | Scott CE2 |
| Short Eared Owl | Short Eared Owl | Short Eared Owl | Short Eared Owl |
| 2012 | 2012 |
 |
 |
| SG MSE6 | SG - diff values - not issued |
| Scott CE6 | Scott - diff values - not issued |
| Short Eared Owl | Short Eared Owl |
| 2014 | 2014 |
 |
 |
| SG | SG |
| Scott | Scott |
| Barn Owl | Barn Owl |