Stone Seal Item Number: E127612-0 from the National Museum of Natural History
Accession record describes this object as the "stone image of a seal, worn and used by a Thlinket Indian of Sitka as a head-scratcher."Listed on page 46 in "The Exhibits of the Smithsonian Institution at the Panama-Pacific International Exposition, San Francisco, California, 1915", in section "Arts of the Northwest Coast Tribes (Tools)".