5044145 A Sibyl with a Vase and Two Putti, c.1540s (Brush drawing in brown wash with some penwork heightened with white on a grey ground) by Ligorio, Piero (c.1500-83) (attr. to); 25.5x17.5 cm; By kind permission of the Earl of Leicester and the Trustees of the Holkham Estate; (add.info.: Inscribed on the back of the mount \'Polydore\', though it has nothing to do with the artist, and was in fact executed by an imitator of Raphael in c. 1540s.).