Otto Steinert, Untitled (Photogram with balls and circles) 1948 Mounted on original cardboard (37,7 x 27,9 cm), signed and dated thereupon in pencil lower right. On the reverse numbered by an unknown hand in pencil 22,7 × 16,7 cm (23,3 × 17,3 cm) Vintage. Gelatin silver print of a photogram Formerly estate Otto Steinert Exh. cat.: Der Fotograf Otto Steinert. Essen, Museum Folkwang; Saarbrücken, Saarland Museum in der Stiftung Saarländischer Kulturbesitz; Kiel, Kunsthalle, 1999/2000, p. 82