| - | 20b | brn | Abaroa |
| - | 20b | multi | Perf: 13¼ | — | — |
| - | 20b | multi |
| - | 20b | on 10p (25) | ||||
| - | 20b on 13p | multi | w. unwmk | |||
| - | 20b | on 3.80p (5) |
| - | 20b | multi | Periphrangus dependens |
| - | 20b | multi | globe hands |
| - | 20b | multi | Giuseppe Verdi |
| - | 20b | multi |
| - | 20b | multi |
| - | 20b | multi | Cañón de los Cintis |
| - | 20b | multi |
| - | 20b | ltultra | plane over Lake Titicaca |
| - | 20b | dkbrn | Map of National Airways route |
| - | 20b | Columbus Lighthouse |
| - | 20b |
| - | 20b |