A-Head of Christ, by Buffalmacco. (Badia, Florence); B-St. Christopher, Here Identified As by Buffalmacco. (Campanile Chapel, Sta. Maria Novella, Florence); C-Group of Figures, by Buffalmacco. (Badia, Florence); D-Judas, by Buffalmacco. (Badia, Florence). A Newly Discovered Frescoes in Sta. Maria Novella