REMOVE

1. Ebony and ivory with movable …
2. Sculpture
3. 1866
4. late 19th century

WHAT

1. Ebony and ivory with mova … (1)

WHO

1. Los Angeles County Museum … (1)
2. Masatsugu (1)

WHEN

1. 1899 (1)
2. Japan (1)
3. late 19th century (1)