Musnad Abu Ya'la al-Mawsili 7:17

Muhammad ibn Isma'il ibn Abi Samina al-Basri narrated to us, 'Uthman ibn 'Affan al-Ghatafani narrated to us, al-Zubayr ibn Khirbudh narrated to us, from a sheikh from the people of Medina, from 'Abd al-Rahman ibn 'Awf, who said: The Messenger of Allah (may Allah bless him and grant him peace) placed a turban on me, and he let its end hang down in front of me and behind me.