| 1989 | 2001 | 2001 | 2001 |
 |
 |
 |
 |
| SG 494 | SG 999 | SG 1001 | SG 1004 |
| Scott 510 | Scott 996 | Scott 998 | Scott 1001 |
| Barn Owl | Long Eared Owl | Short Eared Owl | Tawny Owl |
| 2001 | 2001 |
 |
 |
| SG MS972 | SG MS1005 |
| Scott 974 | Scott 1003 |
| SG MS1013/Scott 1003a - HAFNIA 01 Overprint | |
| Stylised Owl | Barn Owl |
| 2001 |
 |
| SG 999 |
| Scott 996 |
| Long Eared Owl |
| 2001 |
 |
| SG 1001 |
| Scott 998 |
| Short Eared Owl |
| 2001 |
 |
| SG 1004 |
| Scott 1001 |
| Tawny Owl |
| 2010 | 2010 |
 |
 |
| SG 1481 | SG 1482 |
| Scott | Scott |
| Brochure | Brochure |
| Stylised Owl - left selvedge | Stylised Owl - left selvedge |
| 2010 | 2010 |
 |
 |
| SG 1483 | SG 1484 |
| Scott | Scott |
| Brochure | Brochure |
| Stylised Owl - left selvedge | Stylised Owl - left selvedge |
| 2015 | 2015 | 2015 | 2015 |
 |
 |
 |
 |
| SG | SG | SG | SG |
| Scott | Scott | Scott | Scott |
| Barn Owl | Barn Owl | Barn Owl | Barn Owl |
| 2015 | 2015 |
 |
|
| SG | SG |
| Scott | Scott |
| Barn Owl | Barn Owl |
