Musnad Abu Ya'la al-Mawsili 51:5

Al-Qawariri narrated to us, Waki’ narrated to us, from Musawir al-Warraq, from Ja’far ibn ‘Amr ibn Hurayth, from his father, who said: The Messenger of Allah (may Allah bless him and grant him peace) delivered a sermon to us while he was wearing a black turban.