Jami` at-Tirmidhi 1725
جامع الترمذي#1725Sahihحَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا مَالِكُ بْنُ أَنَسٍ، عَنْ نَافِعٍ، عَنْ إِبْرَاهِيمَ بْنِ عَبْدِ اللَّهِ بْنِ حُنَيْنٍ، عَنْ أَبِيهِ، عَنْ عَلِيٍّ، قَالَ نَهَانِي النَّبِيُّ صلى الله عليه وسلم عَنْ لُبْسِ الْقَسِّيِّ وَالْمُعَصْفَرِ . قَالَ أَبُو عِيسَى وَفِي الْبَابِ عَنْ أَنَسٍ وَعَبْدِ اللَّهِ بْنِ عَمْرٍو وَحَدِيثُ عَلِيٍّ حَدِيثٌ حَسَنٌ صَحِيحٌ .
Narrated 'Ali: "The Messenger of Allah (ﷺ) prohibited wearing Al-Qassi and what was dyed with 'Usfur." [Abu 'Eisa said:] There are narrations on this topic from Anas and 'Abdullah bin 'Amr
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:
In-book reference: 24:6