The most important citizen of Fabriano (my city) make this.
From Uffizi site:
"Two of the most famous works in the rooms are by Gentile da Fabriano, considered one of the greatest Italian painters between the third and fourth decade of the fifteenth century. These are the Four Saints from the Quaratesi Polyptych and the Adoration of the Magi, both executed during the artist's Florentine sojourn."