Sunan an-Nasa'i 1987
سنن النسائي#1987SahihIt was narrated that Talhah bin 'Abdullah bin 'Awf said:"I offered the funeral prayer behind Ibn 'Abbas. He recited Fatihat Al-Kitab and a Surah, which he recited loudly, such that we could hear him. When he finished I took him by the hand and asked him. He said: '(It is) Sunnah and the truth
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 21:170