| 1950 | 1957 | 1959 | 1967 | 1969 | 1972 |
|
|
 |
 |
 |
 |
 |
| SG E20 | SG E323 | SG E434 | SG E991 | SG E1171 | SG E1521 |
| Scott 58 | Scott 353 | Scott 446 | Scott 915 | Scott 1087 | Scott 1413 |
| MS | MS | ||||
| Euler means Owl in German | Euler means Owl in German | Eagle Owl | Barn Owl | Stylised Owl | Stylised Owl |
| 1982 | 1982 | 1983 | 1989 |
 |
 |
 |
 |
| Close Up | |||
| SG E2412 | SG E2413 | SG E2542 | SG E2965 |
| Scott 2267 | Scott 2268 | Scott 2371 | Scott 2764 |
| Little Owl | Eagle Owl | Euler means Owl | Eulen means owl in German |
