"This Sienese painter was a follower of Simone Martini and is known as the Master of the Palazzo Venezia Madonna on account of a Virgin and Child once in the Palazzo Venezia at Rome (now in the Palazzo Barberini)." - https://www.nationalgallery.org.uk/artists/master-of-the-palazzo-venezia-madonna, 13.07.2018
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