A rare Fijian 'Tabua' incised whale's tooth 19th century a Fijian tabua is a sperm whale tooth neck ornament attached to a looped sinnet fibre chain (Magimagi), they were a highly prized and valuable possession and were given as gifts for atonement or as a token of esteem and were important as negotiables between rival chiefs. Tooth. Length 21 cm neck chain 48 cm