مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2386
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: “This Black Stone will have a tongue and two lips, and on the Day of Resurrection it will bear witness to those who touched it with proper respect.”
Musnad Ahmad 2398Its isnad is qawi]