| 1953 | 1961 | 1962 | 1965 | 1977 |
 |
 |
 |
 |
 |
| SG 1089 | SG 1284 | SG 1302 | SG 1383 | SG 1814 |
| Scott B331 | Scott B377 | Scott B387 | Scott 917 | Scott 1230 |
| Imperf | ||||
| Stylised Owl | Stylised Owl | Stylised Owl | Stylised Owl | Eulen means owl in German |
| 1978 | 1994 | 2008 |
 |
 |
 |
| Close Up | ||
| SG 1855 | SG MS2577 | SG 3529 |
| Scott 1269 | Scott 1831b | Scott 2478 |
| MS | Sheet | |
| Stylised Owl | Stylised Owl | Unidentified Owl |
| 2000 |
 |
| Close Up |
| SG MS2954 |
| Scott 2079 |
| Unidentified Owl |
| 2010 | 2010 | 2011 | 2014 |
 |
 |
 |
|
| Close Up | Close Up | ||
| SG 3630 | SG 3631 | SG 3725 | SG 3924 |
| Scott 2555 | Scott 2556 | Scott 2633 | Scott |
| Sheet | Picture | ||
| Unidentified Owl | Unidentified Owl | Stylised Owl | Stylised Owl |
