Italian Pope (1881-1963), born Angelo Giuseppe Roncalli, who ascended the papal throne in 1958 and served until his death. As the guiding force behind the historic Second Vatican Council, John ushered in the most sweeping reforms the Catholic Church had undergone in centuries. Vintage glossy 4 x 5.75 photo of Pope John XXIII in profile, boldly signed in fountain pen, "Joannes XXIII, Pf, 6.VII.962." In fine condition. Encapsulated in a PSA/DNA authentication holder.