On the reverse titled by Maria Marc as well as with the faded estate stamp in violet (Lugt 1782a) confirmed by her in handwriting
Schwarz auf Weiss. Druck-Graphik im Wandel der Zeit von Rembrandt bis Dieter Roth. Herford, Stiftung Ahlers Pro Arte, 28 September 2013 - 5 January 2014. Exhibition catallogue p 18, cat.-no 12, with illustration
On the reverse titled by Maria Marc as well as with the faded estate stamp in violet (Lugt 1782a) confirmed by her in handwriting
Schwarz auf Weiss. Druck-Graphik im Wandel der Zeit von Rembrandt bis Dieter Roth. Herford, Stiftung Ahlers Pro Arte, 28 September 2013 - 5 January 2014. Exhibition catallogue p 18, cat.-no 12, with illustration
