Abu Dawud
Signet Rings
Book Number: 029 / Hadith Number: 4221
Narated By Arfajah ibn As'ad : The tradition mentioned above (No. 4220) has also been transmitted by Arfajah ibn As'ad through a different chain to the same effect.
Yazid said: I asked Abu al-Ashhab: Did Abdur Rahman ibn Tarafah meet his grandfather Arfajah? He replied: Yes.