FROM CARD: "COMB.---CARVED FROM IVORY; TEN TEETH 1 1/8 INCHES; HANDLE CARVED IN OPEN PATTERN. ESKIMOS. LENGTH, 4 1/8 INS. WIDTH, 1 3/4 INS. GREENLAND, 1875. 19,524. COLLECTED BY GEO. Y. NICKERSON."
Listed on page 32 in "The Exhibits of the Smithsonian Institution at the Panama-Pacific International Exposition, San Francisco, California, 1915", in section "Arts of the Western Eskimo".