White silk papal skullcap of Pope Pius XII. Diameter: 16.5 cm. Stains and pitting. Accompanied by a printed document from the papal antechamber dated June 11, 1955 or 56, signed by Mario Nasalli Rocca. Provenance: Given to the current owner in the '50s. Eugenio Pacelli, born March 2, 1876 in Rome and died October 9, 1958 in Castel Gandolfo, was an Italian prelate, elected pope on March 2, 1939 under the name of Pius XII. As Bishop of Rome and Head of State of the Vatican, he was 260ᵉ Pope of the Catholic Church until his death. Mario Nasalli Rocca di Corneliano (August 12, 1903-November 9, 1988), Italian cardinal of the Catholic Church . Elevated to the rank of private chamberlain to His Holiness on November 22, 1931, became domestic prelate to His Holiness on July 1, 1949, then prefect of the Apostolic Palace from 1967 until his death and elevated to the cardinalate in 1969.