Sudan
| Country: | Sudan |
| Type: | Postage stamps |
| Series: | African Development Bank, 25th anniv. |
| Nominal: | 150 PT |
| Year: | 1989 |
| Perforation: | comb 13 x 13½ |
African Development Bank, 25th anniv.
 African Development Bank, 25th Anniv. |  African Development Bank, 25th Anniv. |  African Development Bank, 25th Anniv. |