Unknown | clay
Unknown | slate
300 BCE - 300 CE | clay, slip, paint
300 - 900 CE | clay
circa 1100 CE | stone
100 BCE - 700 CE | clay
300 BCE - 300 CE | Earthenware
20th century | clay, slip, paint
Unknown | jade
Unknown | stone
late 19th century - early 20th century | gelatin silver process