Muwatta Malik 1065
موطأ مالك#1065SahihMalik related to me from Zayd ibn Aslam from Ibn Wala al-Misri from Abdullah ibn Abbas that the Messenger of Allah, may Allah bless him and grant him peace, said, "A skin when it is tanned is pure
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 25:14