The fury of nineteenth century Masonic rage vandalized this papal coat-of-arms circa 1870.
Tiara, keys and image on the crest of Gregory XIII were hacked off.
The revolutionaries took the building and never gave it back.
The property, constructed in the XVI century, had been the center of learing in Rome, the Palazzo Collegio Romano (now a state high school, E.Q. Visconti).