lower left in pen and brown ink: maler Moritz Natur sohn gemalt; by later hand, center verso in pen and brown ink: Portrait / Moritz, maler / peint par son fils / Neuchâtel; by later hand, lower center verso in pen and brown ink: [?] / O. Wessner.; by later hand, lower left verso in graphite: 36359
I.O. Wessner (1851-1921), Saint-Gall, Switzerland (Lugt 2562a); (August Laube, Zurich); purchased 1994 by NGA.