Otto Piene - Untitled
Gouache and traces of fire on card. 99.5 x 65 cm. Signed and dated 'OPiene (ligated) '75'. - Traces of studio and minor traces of age.
Collection Otto and Elizabeth Piene; Christie's Amsterdam, 12.04.2017, lot 199; private collection, Switzerland
Ante Glibota, Otto Piene, Villorba 2011, p. 242 with col. ill.