Jami` at-Tirmidhi 1681
جامع الترمذي#1681Hasanحَدَّثَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا يَحْيَى بْنُ إِسْحَاقَ، وَهُوَ السَّالِحَانِيُّ حَدَّثَنَا يَزِيدُ بْنُ حَيَّانَ، قَالَ سَمِعْتُ أَبَا مِجْلَزٍ، لاَحِقَ بْنَ حُمَيْدٍ يُحَدِّثُ عَنِ ابْنِ عَبَّاسٍ، قَالَ كَانَتْ رَايَةُ رَسُولِ اللَّهِ صلى الله عليه وسلم سَوْدَاءَ وَلِوَاؤُهُ أَبْيَضَ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ مِنْ هَذَا الْوَجْهِ مِنْ حَدِيثِ ابْنِ عَبَّاسٍ .
Narrated Ibn 'Abbas: "The flag of the Messenger of Allah (ﷺ) was black, and his standard was white." [Abu 'Eisa said:] This Hadith is Hasan Gharib from this route, as a narration of Ibn 'Abbas
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: 23:12