Brunei
40th Anniversary
| Country: | Brunei |
| Type: | Postage stamps |
| Series: | World Health Organization, 40th Anniversary |
| Nominal: | 25 Brunei sen |
| Year: | 1988 |
| Perforation: | comb 13¾ x 13½ |
World Health Organization, 40th Anniversary
 Anopheles Mosquito |  Extermination |  Microscope,Blood Cells |