4. 4AR WILLIAM NELSON COPLEY (1919-1996) Flag of Switzerland 1962 signed, dated 1962 and numbered 3/6 assembled fabrics signed, dated 1962 and numbered 3/6 assembled fabrics 66 x 82 cm. 26 x 32 5/16 in. We would like to thank the Estate William N. Copley for the information they kindly provided on this work. Provenance Galerie Iris Clert, Paris Collection Rodolphe Stadler, Paris (acquired from it in 1962) Sale at Thierry de Maigret, Paris, Ancien fonds de la Galerie Stadler, Paris, 18 October 2018, lot 91 Acquired at this sale by the current owner