early 20th century | ivory
19th century | bone
modeled 1915; lost-wax cast between 1916 and 1921 | lost-wax cast in bronze
Unknown | jade
Unknown | stone
Unknown | clay
Unknown | quartz
300 BCE - 300 CE | clay, slip, paint
500 BCE - 700 CE | jade
1300 - 1521 CE | clay
Unknown | obsidian