On the façade of the Via de' Lamberti is Donatello's superb S. Mark (for the Joiners), which led to Michelangelo's criticism that he had never seen a man who looked more virtuous, and if S. Mark were really like that he would believe all his words.

Among other mangled wretches, they beheld Piero of Medicina, a sower of dissension, exhibiting to them his face and throat all over wounds; and Curio, compelled to shew his tongue cut out for advising Cæsar to cross the Rubicon; and Mosca de' Lamberti, an adviser of assassination, and one of the authors of the Guelf and Ghibelline miseries, holding up the bleeding stumps of his arms, which dripped on his face.

Malurus Lamberti, Vig. and Horsf.