When was "Brooch (part of a hair ornament)" created?

This artwork was created mid-19th century.

What medium is "Brooch (part of a hair ornament)"?

Brooch (part of a hair ornament) is Diamonds, gold, silver.

Yes, Brooch (part of a hair ornament) is in the public domain and available for free download under CC0 license.

Unknown Artist

mid-19th century

Medium

Diamonds, gold, silver

Dimensions

2-13/16 x 1-7/8 in. (7.1 x 4.8 cm)

Classification

Metalwork-Gold and Platinum|Jewelry

Culture

probably French

Department

European Sculpture and Decorative Arts

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of Ellen Goin Rionda, 1945

Accession Number

45.30.2