| 1968 | 1968 | 1968 | 1968 | 1968 | 1968 |
 |
 |
 |
 |
 |
 |
| Mayan Calendar | Mayan Calendar | Mayan Calendar | Mayan Calendar | Mayan Calendar | Mayan Calendar |
| SG | SG | SG | SG | SG | SG |
| Scott 97 | Scott 97A | Scott 97B | Scott 97C | Scott 97D | Scott 97E |
| Olympic Logo | Olympic Logo | Olympic Logo | Olympic Logo | Olympic Logo | Olympic Logo |
| Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl |
| 1968 | 1968 | 1968 | 1968 | 1968 |
 |
 |
 |
 |
 |
| Mayan Calendar | Mayan Calendar | Mayan Calendar | Mayan Calendar | Mayan Calendar |
| SG | SG | SG | SG | SG |
| Scott 97F | Scott 97G | Scott B5 | Scott B6 | Scott B7 |
| Olympic Logo | Olympic Logo | Olympic Logo | Olympic Logo | Olympic Logo |
| Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl | Stylized Owl |
| 1968 |
 |
| Mayan Calendar |
| SG |
| Scott 97h |
| Olympic Logo |
| Stylized Owl |
| 1969 | 1971 | 1991 |
 |
 |
 |
| Mayan Calendar | Close Up | |
| SG BoB | SG | SG 933 |
| Scott 104 | Scott 129E | Scott 963 |
| MS Scott 104i | Olympic Logo | Copy of Painting |
| Tawny Owl | Stylized Owl | Unidentified Owl |
