The friary’s Museum of the Osservanza, housed in the room next to the sacristy, is dedicated to Father Aurelio Castelli, head of the convent from 1867 to 1894. A great scholar, he helped to restore the independence lost with the 1866 suppression, which caused the loss of a substantial part of the artistic and literary heritage of the Observance. The museum began to take shape in 1910 when this . . .