Portfolio - ZERO
3 original prints by Heinz Mack (Ute Mack 33), Otto Piene, and Günther Uecker (embossing). Each 63.5 x 53.5 cm and 53.5 x 63.5 cm resp. The works by Heinz Mack and Otto Piene each signed and dated, numbered by Otto Piene. Proof V/LX aside from the numbered edition of 250. Unmounted in original card portfolio with a paperback leaflet in linen union slipcase. Edition Kestner-Gesellschaft, Hanover.