Unknown | obsidian
Unknown | slate
Unknown | clay
Unknown | jade
1932 | paper
1996 | oil on canvas
300 BCE - 300 CE | clay, slip, paint
100 BCE - 700 CE | jadeite
500 BCE - 500 CE | stone
300 BCE - 200 CE | clay, burnished red slip
1300 - 1521 CE | clay
300 BCE - 300 CE | clay
300 - 900 CE | clay
100 BCE - 700 CE | clay