| 1968 | 1968 | 1996 | 1997 | 1997 | 1997 |
 |
 |
 |
 |
 |
 |
| Mayan Calendar | Mayan Calendar | Print 1 | Imperf Block | pair | |
| Print 2 | Presentation Pack Cover | with label 1 | |||
| Print 3 | with label 2 | ||||
| Print 4 | |||||
| SG | SG | SG 1623 | SG 1704 | SG 1714 | SG 1720a |
| Scott 442 | Scott 443 | Scott 1526 | Scott 1608 | Scott 1617 | Scott 1623 |
| Stylized Owl | Stylized Owl | Powerful Owl | Stylised Owl | Barking Owl | Barking Owl |
|
1997 |
 |
| Overprinted - Old Spring Stamp & Coin Expro '97 |
| Overprinted - Freemantle Stamp Show '97 |
| SG MS1719 |
| Scott 1622a |
| Barking Owl |
| 2001 |
 |
| SG MS2150? |
| Scott 2008b |
| Stylised Owl |
| 2009 | 2009 | 2010 | 2010 |
 |
 |
 |
 |
| SG 3154 | SG 3157 | SG 3496 | SG 3502 |
| Scott 3044 | Scott 3047 | Scott 3365 | Scott 3371 |
| SG MS3498 | |||
| Stylised Owl | Stylised Owl | Southern Boobook Owl | Southern Boobook Owl |
