Scope and Contents This collection consists of the zucchetto of Pope Pius XII, along with a signed card verifying authenticity.Pope Pius XII, born as Eugenio Maria Giuseppe Giovanni Pacelli in 1876, served as Pope from 1939 until his death in 1958. Pius XII Memorial Library of Saint Louis University was opened in 1959. This hat, known as a zucchetto, is a skull cap worn by Catholic clergy, with white zucchettos reserved for Popes. Accompanying the zucchetto is a card verifying authenticity signed...