How many would you like? <a href=" http://www.ttsitalia.it/avanafil-ic50.pptx ">avanafil monograph</a> Another Warhol &#8211; &#8220;Silver Car Crash (Double Disaster)&#8221; &#8211; with an estimate in excess of $60 million is also for sale at the auction, as are other major works by Willem De Kooning (estimated to fetch $25-30 million), Jean-Michael Basquiat ($15-20 million) and Barnett Newman ($18-25 million).  As for the Richter painting Cohen is reported to be offloading, there are two featured in next month&#8217;s sale, including a 1986 work estimated to fetch $15-20 million.