Five various bone daggers. One, cassowary bone dagger, Sepik river region of Papua New Guinea Highlands, collected prior to World War II (35 cm). Two, engraved (30 cm & 34 cm) and, two carved & engraved (39 cm), good patina, early 20th century, Sepik river, Papua New Guinea, Dr P Elliot collection (1965) with bird finials (length 39 cm). Collection Dr John Raven, Perth.