Unknown | obsidian
Unknown | shell
Unknown | clay
Unknown | jade
late 19th century - early 20th century | ink and watercolor on paper
late 19th century - early 20th century | graphite on cardstock
late 19th century - early 20th century | graphite and ink wash on cardstock
late 19th century - early 20th century | graphite on paper
late 19th century - early 20th century | graphite and ink on paper
300 BCE - 300 CE | clay, burnished red slip
300 BCE - 300 CE | clay, slip, paint
300 - 900 CE | jadeite
500 BCE - 500 CE | stone