Light grey, oval stone with small black inclusions; slight groove in the center. The groove is 2.7 cm wide by 0.2 cm deep. The surface is smooth, with some natural cracks, except in the groove. Slight usewear on ends. Accession File states: "4547. Stone Implement Indian Walla Walla, Wn. (sic) Dick Yenney 10/17/23." Donor File states: "Stone Implement, Indian Walla Walla, Wash."