text: This collection of nine centuries of paintings includes important works by Giotto , Fra Angelico , Perugino , Raphael 's Transfiguration ( his last great work ) , Leonardo da Vinci 's unfinished St. Jerome , Bellini 's Piet ? , and Caravaggio 's Descent from the Crose
  
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  The paintings in the collection all come from the same century .