Discoverers
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| Marie CurieNovember 6, 1968 | November 6, 1968 | 20 nP |   |
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| Marie CurieNovember 6, 1968 | November 6, 1968 | 20 nP | |