The artwork, believed to be the original work of Mantegna, was recently rediscovered in the Sanctuary of Pompeii.
Tradition recounts that Longinus, a Roman centurion, pierced the side of Jesus with this very spear during the crucifixion.
Pope Francis approved a new three-year Vatican reform plan, pushing forward with change despite his ongoing health battle.
The Old Syriac text specifies disciples 'rubbing it in their hands,' highlighting significant nuances in interpretation.
Vatican says Pope Francis's health is improving but he remains under close watching Rome's Gemelli hospital.
The pope has not had any new breathing crises, the Vatican announced in a handout.
Francis, 88, has been in Rome's Gemelli hospital for two weeks, after being admitted on February 14 with a severe respiratory infection that triggered other complications.
Just before his hospitalization, the pope formed a new Vatican financial group.
The Vatican said the 88-year-old Francis, who has double pneumonia, had suffered a "prolonged asthma-like respiratory crisis."
Pope Francis hospitalized with double pneumonia, Vatican says treatment is challenging.