Heiner Friedrich. 1970. Offset in colors. Butin 30. Signed and with edition stamp on verso, there numbered. Copy from an overall edition of 250. On white chromo half cardboard. 40 x 30,5 cm (15,7 x 12 in). Sheet: 42,5 x 31,5 cm (16,7 x 12,4 in). After a photography by Brigid Polk. Published by Galerie Heiner Friedrich, Munich, 1970. The work is the gallery's contribution to the Cologne art market portfolio from 1970, which contains editions by 27 artists. [DB].