| X | 2c | ol & red | lightning bolt & globe | |||
| X | 50c | red & yel | lightning bolt & globe |
| X | 15c | multi | UPU emblem | |||
| X | 25c | multi | ||||
| X | 50c | multi | Rowland Hill | |||
| X | $1 | multi | Abraham Lincoln & UPU building |
| X | 1/2c | Semmelweis | ||||
| X | 1c | Pasteur | ||||
| X | 2c | Edward Jenner | ||||
| X | 3c | multi | Sigmund Freud | |||
| X | 25c | multi | Emil von Behring | |||
| X | 35c | multi | Carl Jung | |||
| X | 50c | multi | Charles Calmette | |||
| X | $1 | multi | William Harvey | |||
| - | $2 | multi | sheet |
| - | 5c | multi | flying saucer | |||
| - | 35c | multi | ||||
| - | $2 | multi | — | — | ||
| - | $3 | multi |
| - | 1/2c | multi | ||||
| X | 1c | multi | ||||
| X | 2c | multi | ||||
| X | 3c | multi | ||||
| - | 4c | multi | ||||
| - | 5c | multi | ||||
| - | $1 | multi | ||||
| - | $2 | multi | ||||
| - | $3 | multi | ||||
| - | $5 | multi | p. 13.75 | — | — |
| - | 10c | multi | Gallus gallus | |||
| - | 30c | multi | fish-eating bat | |||
| - | 60c | multi | Capra aegagrus hircus | |||
| - | 70c | multi | Bos taurus | |||
| - | $1 | multi | Anthurium andraeanum | |||
| - | $1.10 | multi | Euphorbia pulcherrima | |||
| - | $2 | multi | Plumeria rubra | |||
| - | $4 | multi | Orchid sp. | |||
| - | $5 | multi | — | — | ||
| - | $5 | multi | — | — |
| X | 5c | multi | coral crab | |||
| - | 10c | multi | Smoothtail Spiny Lobster Palinurus laevicauda | |||
| - | 15c | multi | Flamestreaked Box Crab Callapa flammea |