upper center reverse: Thos Downing 1/69 "Ring Three"
Vincent Melzac [1914-1989], Falls Church, Virginia; gift 1 December 1969 to the Corcoran Gallery of Art, Washington; acquired 2015 by the National Gallery of Art.
- Washington Color and Light, Corcoran Gallery of Art, Washington, 2010-2011, no catalogue.
- Corcoran Gallery of Art. The Vincent Melzac Collection: Modernist American Art Featuring New York Abstract Expressionism and Washington Color Painting. Washington, 1971: repro. 79 (but mislabeled as no. 42).