Download or read book Caravaggio's 'Cardsharps' on Trial written by Richard E. Spear and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: IMr. Lancelot William Thwaytes sued Sotheby's over the difference between what the painting realized at auction and what its true open market value was in 2006 based on the opinion of the art historian Sir Denis Mahon--Pg. 1.