مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1944
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
‘Ammar, the freed slave of Banu Hashim, said: I heard Ibn "Abbas say: The Messenger of Allah (ﷺ) died when he was sixty-five years old.
Musnad Ahmad 1945Its men are reliable]