Guinea-Bissau
| Country: | Guinea-Bissau |
| Type: | Postage stamps |
| Series: | Sailing Ships (1988) |
| Nominal: | 800 Guinea-Bissau peso |
| Year: | 1988 |
| Size: | 50 x 41 mm |
| Perforation: | 12¾ x 12½ |
Sailing Ships (1988)
 Egyptian ship 0.07$ |  Sahu Pharaoh's ship 0.05$ |  Queen Hatsepsut's ship 0.07$ |  Ship of Pharaoh Ramses III 0.06$ |
 Greek trirema 0.08$ |  Etruscan birema 0.06$ |  Venetian galley |