| 1975 | 1980 | 1988 | 1988 | ||
 |
|
 |
 |
||
| Close Up | |||||
| SG 2377 | SG BoB | SG 3518 | SG 3524 | ||
| Scott 2225 | Scott - see note 28 Aug 1980 | Scott 3328f | Scott 3334 | ||
| MS | MS Scott 3334a | ||||
| Stylised Owl | Little Owl & Eagle Owl | Eagle Owl | Snowy Owl |
| 1992 | 1992 | 1992 | 1992 | 1992 | 1992 |
 |
 |
 |
 |
 |
 |
| SG 3892 | SG 3893 | SG 3894 | SG 3895 | SG 3896 | SG 3897 |
| Scott 3749 | Scott 3750 | Scott 3751 | Scott 3752 | Scott 3753 | Scott 3754 |
| Tengmalm's Owl | Tawny Owl | Long Eared Owl | Short Eared Owl | Common Scops Owl | Barn Owl |
| 2001 | 2005 |
 |
 |
| Close Up | |
| Imperf MS | |
| SG MS 4374 | SG MS 4557 |
| Scott 4194 | Scott 4362a |
| Stylised Owl | Stylised Owl |
| 2009 | 2010 | 2010 | 2010 |
 |
 |
 |
 |
| Close Up | Close Up | Close Up | |
| Sheet | Sheet | SG MS4762 | |
| SG 4734/7 | SG 4760 | SG 4761 | SG 4762b |
| Scott 4518 | Scott | Scott | Scott |
| Eurasian Pygmy Owl, Ural Owl, Little Owl & Eagle Owl | Stylized Owl | Stylized Owl | Stylized Owl |
| 2011 |
 |
| SG MS4797 |
| Scott BoB |
| Stylized Owl |