ZERO Piene, Otto Island. 1972. Colour silkscreen print on textured vellum. 40.6 x 27 cm. Signed and dated. - The corners show slight creasing; the reverse has light brown stains; the paper is slightly wavy. Overall, very good condition. A magnificent, richly coloured print featuring a full-format image. Rottloff 168. – One of 100 copies. - Printed by Siebdrucktechnik, Essen. - Published by Guido Hildebrandt Verlag, Duisburg. - Published to accompany a poem by Rolf Bongs. - Hundertblatt 14 for Hundertdruck 14. Colour serigraph on textured wove paper. Signed and dated. - The corners show minor bumps, there is light brown spotting on the reverse, and the paper is slightly wavy. Overall in very good condition. A splendid, colour-rich print of the full-format composition. - One of 100 copies. - Printed by Siebdrucktechnik, Essen. - Published by Guido Hildebrandt Verlag, Duisburg. - Issued in conjunction with a poem by Rolf Bongs. - Hundertblatt 14 for Hundertdruck 14.