 |
 |
 |
| Original Artwork |
 |
 |
| 1953 | 1953 | 1953 |
 |
 |
 |
| Horned Owl | Screech Owls | Barn Owl |
 |
| 1978 | 1978 | 1978 | 1978 | 1999 | 2001 |
 |
 |
 |
 |
 |
 |
| SG 1731 | SG 1732 | SG 1733 | SG 1734 | SG 3574 | SG 3975 |
| Scott 1760 | Scott 1761 | Scott 1762 | Scott 1763 | Scott 3293 | Scott 3606b |
| Great Grey Owl | Saw Whet Owl | Barred Owl | Great Horned Owl | Snowy Owl | Burrowing Owl |