circa 1950 | silver
Unknown | jade
Unknown | clay
Unknown | slate
100 BCE - 700 CE | jadeite
late 19th century - early 20th century | silver
1800s | Ivory
Unknown | obsidian
300 - 900 CE | clay
100 BCE - 700 CE | clay, mold-made
20th century | glass, seeds, leather
300 BCE - 200 CE | clay
circa 1890 - 1910 | silver, turquoise