rare, very old pacific island volcanic stone grinding wheel , incised with whlirligig geometric designs. traces of pigments, excellent general condition, small edge chip out of backside. comes with plexi stand.10.8 in diameter. not sure of exact area/island, came with other pacific island artifacts, and was described as such.Originally purchased from the Violante estate, san francisco. This couple were artists, and collectors, specializing in mid /early 20th c art and sculpture. They patronized many local artists, as well as collecting artists of international reputation, tribal art, and folk art. shipping;usa; 23.00 + ins, worldwide; 53.00 + ins