ROTH, Dieter (1930-1998). 2 colour screen prints from the series 'Deutsche Städte'. 1970. 323 x 457 and 223 x 460 mm. Signed and dated in pencil. Under passepartouts. -- Added: Wolf VOSTELL (1932-1998). Photo of Cologne and Rhine bridges w. 4 dollar notes in between. N.d. Photo-engr., cold. by hand. Signed in pencil and numbered 76/250. -- (3).