1938–1948
National Gallery of Art, 1956
National Gallery of Art, 1941
National Gallery of Art, 1842
National Gallery of Art, 1918
National Gallery of Art, 1937
National Gallery of Art, 1935
National Gallery of Art, 1936
National Gallery of Art, 1952
National Gallery of Art, 1938
Williams, Dave H. and Reba W., 1940
National Gallery of Art, 1946
National Gallery of Art, 1983
![Pony Express [obverse]](https://api.nga.gov/iiif/cc25a20d-cfa7-4585-98a3-de628d567930/full/843,/0/default.jpg)
