Oil/canvas, 60 x 50 cm, up. ri. sign. J. Müller-Massdorf, on the stretcher on artists label titled. - German figure a. portrait painter. M.-M. studied at the Düsseldorf academy among others under P. Janssen a. E. von Gebhardt as well as at the Munich academy under F. von Defregger. He exhibited among others at the Munich Glaspalast.