| X | 2c | ver & blk | oxcart with sugarcane redrawn | — | — | |
| X | 5c | bl | Balboa taking possession of Pacific | — | — |
| X | 2c | Carlos Finlay |
| - | 1c | dkgrn | ovpt, farm girl | |||
| X | 2c on 1/2c | multi | flag of Panama | |||
| X | 5c | ovpt, Balboa Taking Possession of the Pacific |
| - | 5c | blk & ultra | Aedes aegypti |
| - | 2c | |||||
| - | 5c | |||||
| - | 10c | |||||
| - | 25c | |||||
| - | 50c |
| - | 1c | red & blk | ||||
| - | 1c | dkbl & blk | ||||
| - | 1c | grn & blk | ||||
| - | 1c | orgyel & blk | 1952 | |||
| - | 1c | vio & blk | 1952 |