Important frontal in polychrome scagliola. In the center is depicted the Madonna della Ghiara; on the sides San Giovanni Battista and San Giovanni Evangelista. The artifact finds stylistic confirmation in the works of Marco Mazelli, scagliolist born in Carpi in 1640, a pupil of Gasparo Griffoni together with Ludovico and Giovanni Leoni. 80 x 150 cm