Unknown | clay
300 BCE - 300 CE | clay, slip, paint
1300 - 1521 CE | clay
20th century | clay, paint
circa 20th century | clay, paint
500 - 1000 CE | clay
300 BCE - 200 CE | clay
circa 1900 | clay
100 BCE - 700 CE | clay
1875 - 1880 | clay, paint
800 - 1200 CE | clay