| 1945 | 1945 | 1966 | 1966 | 1968 | 1970 | 1970 |
 |
|
 |
 |
 |
 |
 |
| SG 463 | SG 464 | SG 1586 | SG 1621 | SG | SG 1892 | SG |
| Scott B154 | Scott B155 | Scott 1402 | Scott 1437 | Scott 1534 | Scott 1690 | Scott 1704 |
| MS | Mayan Calendar | MS | Mayan Calendar | |||
| Stylised Owl | Stylised Owl | Stylised Owl? | Snowy Owl | Stylised Owl | Stylised Owl? | Stylised Owl |
| 1972 | 1974 | 1986 | 1986 | 1986 | 1986 | 1986 |
 |
 |
|
 |
 |
 |
 |
| SG 2052
|
SG 2179 | SG 2844 | SG 2845 | SG 2846 | SG 2847 | SG 2848 |
| Scott 1830 | Scott 1957 | Scott 2620 | Scott 2621 | Scott 2622 | Scott 2623 | Scott 2624 |
| Stylised Owl | Stylised Owl | Eagle Owl | Long Eared Owl | Tawny Owl | Barn Owl | Short Eared Owl |
