File:Untitled glazed and overglazed earthenware sculpture by --Ron Nagle--, 5.5 inches, c. 1970, Smithsonian American Art Museum.jpg

Summary
Untitled glazed and overglazed earthenware sculpture by Ron Nagle, 5.5 inches, c. 1970, Smithsonian American Art Museum

Licensing
Fair use rationale:
 * 1) This is a historically significant work that could not be conveyed in words.
 * 2) Inclusion is for information, education and analysis only.
 * 3) Its inclusion in the article(s) adds significantly to the article(s) because it shows the subject, or the work of the subject, of the article(s).
 * 4) The image is a low resolution copy of the original work and would be unlikely to impact sales of prints or be usable as a desktop backdrop.