signed by artist, lower right below plate, in graphite: Gangolf; by artist, lower left below plate, in graphite: 2. Probedruck; by artistis, center below plate, in graphite: ,, TOM MIX"; by later hand, lower right, in graphite: Paul GANGOLF; by later hand, verso lower left, in graphite: 9840
Marks and Labels
stamp, verso center, in black ink: R
Ruth Cole Kainen [1922-2009], Washington, DC; gift to NGA 2012.
- Rathenau, Ernest. Im Memoriam Paul Gangolf. Berlin: Euphorin Verlag, 1964, no. 39.