| 1972 | 1973 | 1980 | 1993 | 2001 |
 |
 |
 |
 |
 |
| Close Up | Close Up | |||
| SG 1484 | SG 1513 | SG 1796 | SG 2355 | SG 2916 |
| Scott 1155 | Scott 1184 | Scott 1462 | Scott 1977 | Scott 2467 |
| SG MS1800 | ||||
| Stylised Owl | Stylised Owl | Barn Owl | Royal Eagle Owl | Eagle Owl |
| 2001 | 2001 | 2004 | 2006 | 2007 |
 |
 |
 |
 |
 |
| SG 2922 | SG 2924 | SG 3006 | SG 3349 | SG 2531 |
| Scott 2472 | Scott 2473 | Scott 2551 | Scott 2827 | Scott 2966 |
| Eagle Owl | Eagle Owl | Stylised Owl | Stylised Owl | Eagle Owl |
| 2004 |
 |
| SG 3010 |
| Scott 2555 |
| Stylised Owl |
| 2011 | 2013 |
 |
 |
| Sheet | Close Up |
| SG | SG |
| Scott 3344 | Scott |
| Stylized Owl | Little Owl |
