Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: Principa Falls
Dated: <Unknown>
Medium: Enameled copper
Dimensions: 2 1/16 x 1 7/8 in. (5.3 x 4.8 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Provenance:
with Edward Sheppard, New York, until 24 July, 1983