Guinea-Bissau
Issue acknowledged by the postal authorities of Guinea-Bissau, but only distributed by their philatelic agent for collecting purposes.
| Country: | Guinea-Bissau |
| Type: | Postal blocks |
| Series: | World War II - Submarines (2005) |
| Nominal: | 2,500 CFA |
| Year: | 2005 |
| Perforation: | 13¼ |
World War II - Submarines (2005)
 Submarines |  Submarines Second World War |