Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Colonel Sharp Delany
Dated: 1799
Medium: Watercolor on ivory in rose gold locket
Dimensions: 2 7/8 x 2 5/16 in. (7.3 x 5.9 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Notes:
Maria DeWitt Jesup Fund, 1931