| 1970 | 1971 | 1972 | 1972 |
 |
 |
 |
 |
| Mayan Calendar | Mayan Calendar | Mayan Calendar | Mayan Calendar |
| Sheet | Sheet | Sheet | Sheet |
| Deluxe | Deluxe | ||
| SG | SG | SG | SG |
| Scott C66c | Scott 236F | Scott 251D | Scott C88a |
|
Stylized Owl |
Stylized Owl |
Stylized Owl |
Stylized Owl |
| 2001 |
 |
| SG 1076 |
| Scott C311 |
| Imperf |
| Little Owl |
| 2003 | 2003 |
 |
 |
| SG ? | SG ? |
| Scott 966a & b | Scott 966c & d |
| Imperf | Imperf |
| Unidentified Owl | Unidentified Owl |
| 2003 | 2003 |
 |
 |
| SG ? | SG ? |
| Scott 967c & d | Scott 967e & f |
| Imperf | Imperf |
| Unidentified Owl | Unidentified Owl |
| 2004 |
 |
| Imperf |
| Unidentified Owl |
| 2004 |
 |
| Pearl Spotted Owlet |
| 2004 | 2004 |
 |
 |
| Imperf | Imperf |
|
Spotted Eagle Owl, Unidentified Owl, Unidentified Owl, Pel's Fishing Owl & Pearl Spotted Owlet |
Unidentified Owl, Unidentified Owl |
| 2013 | 2013 |
 |
 |
|
Barred Owl |
Barred Owl |
| 2013 |
 |
|
Great Horned Owl |