REMOVE

1. clam shell, tortoise shell, …
2. Costume and Jewelry
3. 20th century

WHAT

1. Costume and Jewelry (1)
2. clam shell, tortoise shel … (1)

WHERE

1. Asian; Pacific; Melanesia … (1)
2. Oceania (1)

WHO

1. The Minneapolis Institute … (1)
2. Unknown (1)

WHEN

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