Cambodia
| Country: | Cambodia |
| Type: | Postage stamps |
| Series: | W.H.O. (World Health Organization), 20th Anniversary |
| Nominal: | 3 ៛ |
| Year: | 1968 |
| Perforation: | comb 13 |
W.H.O. (World Health Organization), 20th Anniversary
 Vaccination |  World Health Organization 0.15$ |