Sunan an-Nasa'i 4386
سنن النسائي#4386Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، عَنْ خَالِدٍ، قَالَ حَدَّثَنَا حُمَيْدٌ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، قَالَ ضَحَّى رَسُولُ اللَّهِ صلى الله عليه وسلم بِكَبْشَيْنِ أَمْلَحَيْنِ .
It was narrated that Ans said:"The Messenger of Allah sacrificed two Amlah rams
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 43:26