REMOVE

1. Copper alloy
2. The Metropolitan Museum of A …
3. 19th?20th century
4. Mali

WHAT

1. Copper alloy (1)
2. Decorative Arts and Utili … (1)

WHERE

1. African; North African; S … (1)

WHO

1. The Metropolitan Museum o … (1)

WHEN

1. 19th?20th century (1)