REMOVE

1. copper, mother-of-pearl
2. European; Northern European; …

WHAT

1. Decorative Arts and Utili … (1)
2. copper, mother-of-pearl (1)

WHERE

1. European; Northern Europe … (1)

WHO

1. J. Winhardt & Co. (1)
2. The Minneapolis Institute … (1)
3. Vierthaler, Ludwig (1)

WHEN

1. 1875 - 1967 (1)
2. 1906 (1)