20 North Gallery delivers The Last Supper Paint By Number to the Smithsonian Institution Gallery celebrates piece that was previously on loan to Smithsonian exhibition in 2001 On October 12, 2018, 20 North Gallery fulfilled the pledge of art director emerita Peggy Grant by delivering The Last Supper Paint By Number artist proof to the Smithsonian’s National Museum … More “Last Supper” Paint By Number artist proof makes American History (Museum)!