Brandung im Meer. 1988.
Watercolor and pastel chalks.
Signed and dated in center at bottom. Lower right titled. On wove paper by Hahnemühle (with watermark). 78 x 106 cm (30.7 x 41.7 in), size of sheet.

• Mack breaks down the spectral colors of light in his chromatic pictures.
• In line with the "ZERO"- principle, Mack lets the color vibrate by giving it a grid-like structure.
• In 1959 and 1964 the artist participated in documenta II and III. In 1970 he represented German at the Venic Biennial XXXV.

With a certificate issued by Atelier Mack, Mönchengladbach, in March 2015.

PROVENANCE: Private collection Northern Germany.