Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Henry Clay
Dated: ca. 1840
Medium: Watercolor on ivory
Dimensions: Sight: 1 3/16 x 15/16 in. (3 x 2.4 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Notes:
Maria DeWitt Jesup Fund, 1925