Ambrogio Lorenzetti (or Ambruogio Laurati) (after) ( 1290 - 1348 ) was a Italian painter. Ambrogio Lorenzetti (or Ambruogio Laurati) (after) s works have been put up for auction numerous times, with realized prices varying from 976.9 USD for The Madonna and Child surrounded by Saintsya in 2004 to 2880 USD for Madonna del Latte in 2011 , based on the size and medium of the artwork.