| - | 3+2c | brnvio & blk | Thick "2" | |||
| - | 3+2c | brnvio & blk | Thin "2" | |||
| - | 3+2c | blk & blvio | Thin overprint | |||
| - | 3+2c | blk & blvio | Thick overprint |
| X | 1+2c | grn & blk | ||||
| X | 2+2c | car & blk | ||||
| - | 5+2c | bl & blk | ||||
| X | 10+2c | dkgrn | ||||
| - | 15+2c | blk & grn | ||||
| - | 20+2c | |||||
| - | 25+2c | grn & dlgrn | Perf: 12½ | |||
| - | 30+2c | graypur & blk | ||||
| - | 50+2c | ultra & blk | ||||
| - | 75+2c | brnol & blk | ||||
| - | $1+2c | brn & bl | ||||
| - | $2+2c | vio & blk | ||||
| - | $5+2c | graybrn |
| - | 3+2c | dkbl | ||||
| - | 5+2c | redbrn | ||||
| - | 10+2c | blgrn |
| X | 5c+5c | Laboratory Assistants |
| - | 25+10c | multi | ||||
| - | 70+20c | multi | ||||
| - | 75+15c | multi | ||||
| - | 80+20c | multi | ||||
| - | $1.50+50c | multi | — | — | ||
| - | $1.50+50c | multi | — | — |
| - | 25+10c | multi | Nation map in flag color blind man with cane | |||
| - | 80+20c | multi | Logo depicting children | |||
| - | 80+20c | multi | ||||
| - | $1.50+50c | multi | Nation map in flag color blind man with cane | |||
| - | $1.50+50c | multi |
| - | 50+20c | multi | ||||
| - | 75+25c | multi | ||||
| - | 80+20c | multi | ||||
| - | $1.50+50c | multi | ||||
| - | 50$+50c | multi |