in graphite below plate mark; lower left: OK to print, lower center: Curvy Brushtrokes I, lower right: Sol LeWitt 1997; upper left: OK [in circle] / S. LeWitt
Kathan Brown, San Francisco: Gift to NGA, 2001.
- Yes, No, Maybe: Artists Working at Crown Point Press, National Gallery of Art, Washington, D.C., 1 Sep 2013 - 5 Jan 2014.
- Brodie, Judith, and Adam Greenhalgh. Yes, No, Maybe: Artists Working at Crown Point Press. Washington, DC: National Gallery of Art, 2013, p. 109, pl. 22.4.