signed by artist, lower right under image, in graphite: Gangolf; by later hand, verso lower right, in graphite: x
Marks and Labels
stamp, verso center, in black ink: RCK; blind stamp, upper right: LEGNH. NIETHAMMER*FRANKFURT A/M* [not in Lugt]
Leonard Niethammer, Frankfurt (blindstamp; not in Lugt). (Libby Howie, London); Ruth Cole Kainen [1929-2009], Washington, D.C. (Lugt 4740), purchased October 8, 1986; gift to NGA 2012.
- Rathenau, Ernest. Im Memoriam Paul Gangolf. Berlin: Euphorin Verlag, 1964, undescribed.