Brunei
| Country: | Brunei |
| Type: | Postage stamps |
| Series: | World Health Organization, 40th Anniversary |
| Nominal: | 2 B$ |
| Year: | 1988 |
| Perforation: | comb 13¾ x 13½ |
World Health Organization, 40th Anniversary
 Anopheles Mosquito (Anopheles sp.) |  Extermination |  Microscope,Blood Cells |