OTTO PIENE | SPANISH SAHARA, 1975

Galerie Schoeller, Düsseldorf

Private collection, North Rhine-Westphalia (acquired from the above in the late 1970s)

Dorotheum Vienna, 25th November 2015, lot 708 (consigned by the above)

Private collection, New York (purchased at the above sale)

Private collection, Switzerland (acquired from the above by the present owner)