REMOVE

1. Societal Artifact
2. African; Central African; Co …
3. Fine Arts Museums of San Fra …
4. 20th century

WHAT

1. Societal Artifact (2)
2. Costume and Jewelry (1)
3. Decorative Arts and Utili … (1)
4. carved wood (1)
5. mask, (1)

WHERE

1. African; Central African; … (2)
2. Belgian Congo (1)
3. Zaire (1)

WHO

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

WHEN

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