| 1914 | 1918 | 1951 | 1955 | 1963 | 1964 |
 |
 |
 |
|
 |
|
| Close Up | Close Up | Close Up | Close Up | Close Up | Close Up |
| SG 499 | SG | SG | SG | SG | SG |
| Scott 254 | Scott 550 | Scott 1047 | Scott 1176 | Scott 1597 | Scott 1621 |
| Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl |
| 1985 | 1998 |
 |
 |
| Close Up | |
| SG | SG MS3347 |
| Scott 2300 | Scott 2703 |
| Stylized Owl | Tawny Owl & Long Eared Owl |