signed and dated below image, at right, in graphite: Walter Gramatté 23; numbered at left, in graphite, by later hand: I/X; on verso, in graphite, by later hand: E 176
Ruth Kainen, Washington, D.C. (not in Lugt); Gift to NGA, 2012.
- Eckhardt, Ferdinand. Das graphische Werk von Walter Gramatte. Zurich: Amalthea-Verlag, 1932: no. 176, only