late 19th century - early 20th century | gelatin silver process
100 BCE - 700 CE | jadeite
300 BCE - 300 CE | clay, slip, paint
Unknown | obsidian
300 - 900 CE | clay
800 - 1200 CE | clay
100 BCE - 700 CE | stone
500 - 1000 CE | clay
November 26, 1919 | ink on paper
300 BCE - 300 CE | clay
1300 - 1521 CE | clay
early 20th century | clay, slip, paint
Unknown | jade