Bremen, Kunsthalle Bremen, Ex Machina--Early Computer Graphics up to 1979: the Franke Collections and Other Foundations at the Kunsthalle Bremen: for the 80th Birthday of Herbert W. Franke, 17 June - 26 July 2007, cover (illustrated)
signed with initials and dated 'H F 1973' lower right inkjet plot on paper 41.4 x 34.5 cm (16 1/4 x 13 5/8 in.) Executed in 1973, this work is from an unrecorded edition size of approximately 2.