Inscription
upper right, upside down in graphite: BLUE / YELLOW
Provenance
the artist, Sharon, Connecticut; acquired 2010 by the National Gallery of Art
![Untitled [tracing]](https://media.nga.gov/iiif/public/objects/1/5/1/9/3/9/151939-primary-0-nativeres.ptif/full/!440,400/0/default.jpg)
upper right, upside down in graphite: BLUE / YELLOW
the artist, Sharon, Connecticut; acquired 2010 by the National Gallery of Art