STC416083 Visions of the cross at Saxa Rubra (litho) by English School, (19th century); Private Collection; (add.info.: Maxentius advanced to meet Constantine at Saxa Rubra before the Battle of the Milvian Bridge in 312; Constantine and his soldiers had a vision of the Christian God promising victory if they daubed the sign of the cross on their shields; Constantine the Great (c.272-337), Roman Emperor;); The Stapleton Collection; English, out of copyright.