Charcoal drawing, 32 x 23 cm, lo. le. sign. a. dat. Sprotte 74 as well as inscribed Holzminden, on the backing cardboard confirmation of authenticity by Cosmea Sprotte, May 2012, framed under glass, uninspected out of frame. - Painter a. drawer with background of philosophical aesthetics. S. was pupil of E. Orlik in Berlin and K. Hagemeister in Werder/Havel. He worked a. lived in Kampen on Sylt, where he became a central figure of artistic life.