Artwork: Portsall
Size: 30.5 x 50.8 cm
Medium: Ink, pastel, watercolour and gouache
Creation year: 1965
Marks: Signed 'John Piper' (lower right); inscribed and dated 'Portsall 2 3 65' (lower left)
Category: Drawings
Provenance: with Baukunst Galerie, Cologne, where purchased by the present owners' mother, and by descent

Christie's London

Date: 2017-03-23
Lot Number: 15