| - | 5c | grn & blk | — | — | ||
| - | 10c | org & blk | — | — | ||
| - | 20c | car & blk | — | — | ||
| - | 50col | multi | p. 10.5 (1990) |
| - | 10c | multi | Pharomachrus mocinno | |||
| - | 50c | multi | Cyanerpes cyaneus | |||
| - | 1col | multi | Turdus grayi | |||
| - | 1.50col | multi | Momotus momota | |||
| - | 3col | multi | Colibri thalassinus | |||
| - | 10col | multi | Notiochelidon cyanoleuca |
| - | 6col | multi | Street scene by Luis Chacon |
| - | 30col | multi |
| - | 50col | multi |
| - | 110col | multi | Archocentrus sajica | |||
| - | 110col | multi | Asatheros diquis |
| - | 135col | multi | w. unwmk | — | — | |
| - | 135col | multi | p. 11 | — | — |
| - | 340col | multi |
| - | 300col | multi | — | — | ||
| - | 320col | multi | — | — | ||
| - | 350col | multi | — | — | ||
| - | 395col | multi | — | — |
| - | 385col | multi | ||||
| - | 485col | multi |
| - | 300col | multi | — | — |
| - | 500col | multi | America 2015 | — | — |
| - | 600col | multi | 50th Anniversary of Coope Ande | — | — |
| - | 0.05col | on 30c (23) | ||||
| - | 0.15col | on 85c (13) | ||||
| - | 0.15col | on 30c (23) |
| - | 0.40col | |||||
| - | 1.25col |
| - | 0.50col | multi | Our Lady of Mercy Church | |||
| - | 1.00col | multi | Christ (F. Pinto de Herrero) | |||
| - | 5.00col | multi | St. Francis and the Birds (L. Gonzalez d… |
| - | 1.00col | multi | Man in wheelchair stairs | |||
| - | 2.60col | multi | Man reaching for scale | |||
| - | 10.00col | multi | Mean reaching for Sun Map |