When was "Cameo Portrait of Frederick Marshall" created?

This artwork was created ca. 1855.

What medium is "Cameo Portrait of Frederick Marshall"?

Cameo Portrait of Frederick Marshall is Queen conch shell, gold.

Yes, Cameo Portrait of Frederick Marshall is in the public domain and available for free download under CC0 license.

Unknown Artist

ca. 1855

Medium

Queen conch shell, gold

Dimensions

2 7/8 x 2 1/2 in. (7.3 x 6.4 cm)

Classification

Brooch

Culture

American

Department

The American Wing

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of Frederick Marshall, 1948

Accession Number

48.60