Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Mrs. Nathaniel Chapman (Rebekah Biddle)
Dated: ca. 1815
Medium: Watercolor on ivory
Dimensions: 3 3/16 x 2 9/16 in. (8.1 x 6.5 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Notes:
Fletcher Fund, 1933