Maria Helena Vieira Da Silva (1908-1992) L'échiquier 1961 Two-colour lithograph on Arches paper, all margins Signed and numbered 33/75 75 copies numbered + 10 AP Printed by Pons, Paris, (I) : 24.5 x 31.6 cm, (F) : 37.8 x 44 cm, (C) : 66.5 x 89.5 cm Literature : River 49