| 1970 | 1971 | 1975 | 1976 | 1982 |
 |
|
 |
 |
 |
| SG 1813a | SG 1891 | SG 2215 | SG 2302 | SG 2848 |
| Scott 1573 | Scott 1660 | Scott 1983 | Scott 2070 | Scott 2542 |
| MS 1 MS 2 | ||||
| Cuban Pygmy Owl | Cuban Pygmy Owl | Cuban Screech Owl | Cuban Pygmy Owl | Prehistoric Owl |
| 1986 | 2003 | 2005 |
 |
 |
 |
| SG 3188 | SG 4677 | SG 4831 |
| Scott 2878 | Scott 4327 | Scott 4478 |
| Canadian Parliament | ||
| Stylised Owl | Snowy Owl | Stylised Owl |
| 2008 | 2008 | 2008 | 2008 | 2008 | 2008 |
 |
 |
 |
 |
 |
 |
| SG 5221 | SG 5222 | SG 5223 | SG 5224 | SG 5225 | SG 5226 |
| Scott 4858 | Scott 4859 | Scott 4860 | Scott 4861 | Scott 4862 | Scott 4863 |
| Barn Owl | Eagle Owl | Great Grey Owl | Eurasian Tawny Owl | Long Eared Owl | Ural Owl |
| 2008 |
 |
| SG MS5227 |
| Scott 4864 |
| Eagle Owl |
| 2009 |
 |
| SG 5410 |
| Scott 4994 |
| Stylized Owl |