REMOVE

1. mask,
2. Costume and Jewelry
3. Societal Artifact
4. Fine Arts Museums of San Fra …
5. Unknown
6. 20th century

WHAT

1. Costume and Jewelry (1)
2. Societal Artifact (1)
3. mask, (1)
4. wood, canvas, string with … (1)

WHERE

1. African; Central African; … (1)
2. Zaire (1)

WHO

1. Fine Arts Museums of San … (1)

WHEN

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