REMOVE

1. bronze,copper,and iron
2. mask
3. Costume and Jewelry
4. Nigeria
5. Fine Arts Museums of San Fra …
6. 18th century

WHAT

1. Costume and Jewelry (1)
2. Ritual Object (1)
3. bronze,copper,and iron (1)

WHERE

1. African; West African; Ni … (1)

WHO

1. Fine Arts Museums of San … (1)
2. Unknown (1)

WHEN

1. 1700 (1)
2. 1799 (1)
3. 18th century (1)