Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Mrs. Anstis Stone
Dated: ca. 1802
Medium: Watercolor on ivory in gold case
Dimensions: 1 7/8 x 1 9/16 in. (4.8 x 4 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Provenance:
with Edward Sheppard, New York