Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Portrait of a Lady
Dated: ca. 1825
Medium: Watercolor on ivory
Dimensions: 3 3/8 x 2 3/8 in. (8.6 x 6 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Provenance:
Ex-collection Edward Grosvenor Paine, until 1996.