The warship depict on this stamp is an Egyptian warship with a battering ram from circa 1200 BC. She had one powerful steering oar on the stern, one single mast, conventionally stayed, the mast carried a fighting top which was manned by archers, and the first time the fighting top is seen on a ship. High planked bulwarks protected the rowers. Sailed or rowed.
Were used for patrol of the Egyptian coast or as troop transport in which she could carry up to 250 soldiers.
Kampuchea 1986 1r sg737, scott?
Source: Various internet sites.