75/3776 Hartz, S.L. (1912-1995). (Landscape). Drawing, red and blue ballpoint pen, 17x28 cm., signed "S. Hartz" and "voor Jaap" in pen and red ink. - AND 1 other pencil drawing by the same, signed in pencil. - WITH: 5 occasional graphics by the same, partly signed in pencil. - ADDED: 5 others, i.a. three drawings in red and black crayon, possibly by the same(?), i.a. two erotic scènes and 1 ex libris of T. Juch.