Unknown | mahogany variety of obsidian
1800s | Ivory, Slate
19th century | wood, metal, glass
late19th century | leather, glass, sinew. metal, horsehair
1903 | ink wash on paper
Unknown | obsidian
1800s | Bone
19th century | wood, leather, horse hair, beads, sinew, stone
19th century | leather, glass, cloth, sinew, pigment
modeled circa 1926; lost-wax cast possibly between 1929 and 1940 | lost-wax cast in bronze