| 1955 | 1956 |
 |
 |
| Stylised Owl - Only on Advert not on Stamps | Stylised Owl - Only on Advert not on Stamps |
| 1955 Front | 1956 Front |
 |
 |
| 1955 Back | 1956 Back |
 |
 |
| 1969 Front | 1969 Front |
 |
 |
| Barn Owl | Barn Owl |
| 1969 Back | 1969 Back |
 |
 |
|
Difference is date on bottom right corner - January |
Difference is date on bottom right corner - February |
| 1992 |
 |
| Owl in bottom left corner |
| 1993 |
 |
| Owl in bottom left corner |
| 1993 |
 |
| Owl in bottom left corner |