 Other sources dating from the Whm Mswt are Pap.Ambras (an inventory of stolen papyri, explicitly dated to year 6 of the Whm Mswt); an oracle mentioning the High Priest of Amun Piankh, explicitly dated to year 7 Whm Mswt under Ramesses XI, and the corpus known as the Late Ramesside Letters.The era was traditionally thought to have ended around its Year 10 (or Year 28 proper of Ramesses XI) when a letter from the corpus of Late Ramesside Letters shows that the High Priest Piankh was campaigning in Nubia.