| 1967 | 1978 | 1979 | 1981 | 1981 |
 |
|
 |
 |
 |
| SG 1186 | SG 1470 | SG 1470a | SG 1550 | SG 1551 |
| Scott 765 | Scott C667 | Scott C668 | Scott C698 | Scott C699 |
| Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl in selvedge |
| 1998 | 2011 |
 |
 |
| Close Up | |
| SG 2168 | SG 2717 |
| Scott C907 | Scott 1354 |
| MS | SG MS2717 |
| Stylised Owl | Cloud-Forest Pygmy Owl |
