٢٦٦٧٦ - حدثنا أبو بكر قال: حدثنا المحاربي عن الحسن بن عبيد اللَّه قال: رأيت الأسود وابن الأسود يصفران لحاهما.
It is narrated from Hazrat Hasan bin Ubaidullah. He says that I saw Hazrat Aswad and Hazrat Ibn al-Aswad. Both of them were applying yellow dye to their beards.