| 1975 | 1998 | 1998 |
 |
 |
 |
| SG 585 | SG ? | SG ? |
| Scott 333 | Scott 1003d | Scott |
| MS | ||
| Little Owl | Unidentified Owl | Unidentified Owl |
| 1998 | ||||
|
||||
| SG ? | ||||
| Scott 978 b, c, d & e | ||||
| MS | ||||
| Imperf | ||||
| Long Eared Owl, Eagle Owl, Hawk Owl & Short Eared Owl |
| 1998 |
 |
| SG ? |
| Scott 1005l |
| Imperf |
| Unidentified Owl |
| 1999 |
 |
| SG ? |
| Scott 1034 |
| Imperf |
| Unidentified Owl |
| 2002 |
 |
| SG ? |
| Scott 1084 |
| Imperf |
| Unidentified Owl |
