The Quaratesi Polyptych is a painting by the Italian late medieval painter Gentile da Fabriano, now divided between several museums.It was painted by the artist for the Quaratesi family's chapel in the Church of San Niccolò Oltrarno, perhaps not a long time after the Strozzi Altarpiece. Today four of the five original compartments (including the painted cusp) are known, as well as some parts of the predella (which has scenes of the Life of St.