REMOVE

1. Societal Artifact
2. Costume and Jewelry
3. Unknown
4. Fine Arts Museums of San Fra …
5. 20th century

WHAT

1. Costume and Jewelry (2)
2. Societal Artifact (2)
3. headwear (1)
4. mask, (1)
5. skin, tusk, cloth, metal (1)

WHERE

1. African; Central African; … (1)
2. African; West African; Ni … (1)
3. Nigeria (1)
4. Zaire (1)

WHO

1. Fine Arts Museums of San … (2)

WHEN

1. 1900 (2)
2. 1999 (2)
3. 20th century (2)