British School, 20th Century- Untitled Blue Abstract; lithograph in colours on wove, 27 copies, each signed HW in the plate, each sheet 46 x 59.5cm; together with seven further lithographs on wove, two designs, each signed indistinctly and inscribed A/P or P/P in pencil, each sheet 62 x 50 cm (unframed) (34) British School, 20th Century- Untitled Blue Abstract; lithograph in colours on wove, 27 copies, each signed HW in the plate, each sheet 46 x 59.5cm; together with seven further lithographs on wove, two designs, each signed indistinctly and inscribed A/P or P/P in pencil, each sheet 62 x 50 cm (unframed) (34)