Raffaello Sanzio Da Urbino (1483 - 1520) [AFTER] Study of Erato, for 'The Parnassus'Study for the figure of the muse seated to the right of Apollo in Raphael's fresco of Parnassus, painted in c. 1510 11 in the Stanza della Segnatura, Vatican. In the fresco the figure is depicted holding a kithara, an attribute generally associated with Erato, the muse ruling over music. Pen and ink on cream laid paper in an unknown hand, ca. 1650 1750, mounted to a secondary sheet. 9. 5 x 11. 25 in.[ 243 x 285 mm] matted, 14x 16 in. Unidentified