lift-ground aquatint and soft-ground etching in colours, 1971, on White Wove J.B. Green, signed and dated in pencil, inscribed 'trial' in ink, sealed 'Robert Motherwell a la pintura', published by ULAE, with their chop mark, with full margins, minor light staining, some small foxmarks in places, pale soiling along the edges, attached to the support at above the edges on the reverse, otherwise in good condition, framed, Literature: Engberg & Banach 84, Image: 12.5×25.5cm Sheet: 65.3×96.5cm