7X5 Color picture postcard of some pop art created by Steve Kaufman. Signed on the verso in black felt tip ink, "Sak." In excellent condition.(1960-2010) Steve Kaufman was an American pop artist, fine artist, sculptor, stained glass artist, filmmaker, photographer, and humanitarian. His entry into the world of serious pop art began in his teens when he became an assistant to Andy Warhol at The Factory studio, who nicknamed him "SAK". Kaufman eventually executed such pieces as a 144-foot-long canvas which later toured the country.Comes with a full Letter of Authenticity from Todd Mueller Authentics.