PREVIEW

Bonhams staff member stands by John Piper C.H. (British, 1903-1992) Painting, 1936 (Forms on Dark Blue), signed, titled and dated 'John Piper/Painting 1936' (on the stretcher), oil on canvas, 157.5 x 193 cm. (62 x 76 in.), estimated at GBP 300,000 - GBP 500,000, during the photocall for the Modern British Art Sale at Bonhams London