300 BCE - 300 CE | clay, slip, paint
100 BCE - 700 CE | jadeite
500 BCE - 500 CE | stone
1800s | Wood
Unknown | obsidian
800 - 1520 CE | copper
300 - 900 CE | clay
1300 - 1521 CE | clay
300 BCE - 300 CE | clay
500 - 1000 CE | clay
300 BCE - 200 CE | clay, slip, paint
late 19th century | commercially-tanned leather, bone, copper alloy, semi-tanned hide
late 19th-early 20th century | leather
late 19th century - early 20th century | metal
early 20th century | cloth, cotton
late 19th century - early 20th century | cloth
early 20th century | metal, paper
late 19th-early 20th century | metal, plastic.
