James McNeill Whistler · 1868/1873
graphite on brown paper
National Gallery of Art · CC0 1.0 · Wikidata
Lindy Arts
![Study for "Variations in Blue and Green" [verso]](https://api.nga.gov/iiif/42985929-b738-4c6f-a589-9238ba829696/full/!900,900/0/default.jpg)