1968
National Gallery of Art, 1981
National Gallery of Art, 1956
National Gallery of Art, 1971
National Gallery of Art, 1970
National Gallery of Art, 1958
National Gallery of Art, 1989
National Gallery of Art, 1662
National Gallery of Art, 1700
National Gallery of Art, 1937
National Gallery of Art, 1943
National Gallery of Art, 1825
![Coathanger and Spoon [proof]](https://api.nga.gov/iiif/349401ac-7c1a-44b3-b5f1-15064ec2ee4c/full/843,/0/default.jpg)
![Light Bulb [trial proof D]](https://api.nga.gov/iiif/35ad584d-a077-40cc-8edb-a5a1d4b70f23/full/843,/0/default.jpg)
