NEW YORK, NY.- Three major discoveries will lead Sotheby’s sale of Old Master drawings in New York on 26 January 2011: a newly discovered drawing by Sir Peter Paul Rubens; and two exceptionally rare composition studies by Rembrandt van Rijn and Perino del Vaga, neither seen by scholars since the early 20th century. The discovery of Rubens’s Venus nursing Cupids adds an important and beautiful work to the artist’s oeuvre that has long eluded scholars and collectors (est. $500/800,000). Rembrandt’s Judas Returning the Thirty pieces of Silver offers a fascinating look at the process by which the artist arrived at the finalvcomposition for his early masterpiece of the same name (est. $600/800,000). Perino del Vaga’s Jupiter and Juno – an important design by Raphael’s most talented associate for a renowned series of tapestries – ranks among the greatest