Pastel, 56 x 79 cm, lo. ri. sign. Ad. Rettelbusch Sylt, on the backing cardboard inscribed 'Flut in List mit Blick a. Wattenmeer ' as well as 'Blick v. d. Lister Düne a. Wattenmeer', framed under glass, uninspected out of frame. - German landscape a. figure painter. R. studied in Weimar, in Berlin as well as at the Académie Julian in Paris. Since 1887 he was teacher at the Kunstgewerbeschule Magdeburg. - Lit.: Thieme-Becker.