Environment Protection
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| International Union for Conservation of Nature and Natural Resources (IUCN)November 24, 1969 | November 24, 1969 | 20 nP |   |
| Set / Name of Stamp | Date of Issue | Denomination | Image |
|---|---|---|---|
| International Union for Conservation of Nature and Natural Resources (IUCN)November 24, 1969 | November 24, 1969 | 20 nP | |