This is a beautiful set of 7 stamps, issued by Guinea-Bissau in 1988, displaying ancient ships. Featured on the stamps are a 12th century Venetian Galera ship, Egyptian Pharaoh Sahu's ship, Pharaoh Ramesses III's 1200 BC ship, a 300 AC Egyptian ship, a 480 Greek Trireme warship, and an Etruscan Bireme Greek naval ship, among others. The set is Scott Catalog #727-33, Post Office fresh, mint never hinged, and F/VF.