Sunan Ibn Majah 2818
سنن ابن ماجه#2818Hasanحَدَّثَنَا عَبْدُ اللَّهِ بْنُ إِسْحَاقَ الْوَاسِطِيُّ النَّاقِدُ، حَدَّثَنَا يَحْيَى بْنُ إِسْحَاقَ، عَنْ يَزِيدَ بْنِ حَيَّانَ، سَمِعْتُ أَبَا مِجْلَزٍ، يُحَدِّثُ عَنِ ابْنِ عَبَّاسٍ، أَنَّ رَايَةَ، رَسُولِ اللَّهِ صلى الله عليه وسلم كَانَتْ سَوْدَاءَ وَلِوَاؤُهُ أَبْيَضُ .
It was narrated from Ibn ‘Abbas that the flag of the Messenger of Allah (ﷺ) was black, and his standard was white
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:
Al-AlbaniHasan
Muhammad Fouad Abd al-BaqiHasan
Zubair Ali ZaiHasan
In-book reference: 24:66