Jami` at-Tirmidhi 3622
جامع الترمذي#3622Da'ifحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ هِشَامٍ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قُبِضَ النَّبِيُّ صلى الله عليه وسلم وَهُوَ ابْنُ خَمْسٍ وَسِتِّينَ وَهَكَذَا حَدَّثَنَا هُوَ يَعْنِي ابْنَ بَشَّارٍ وَرَوَى عَنْهُ مُحَمَّدُ بْنُ إِسْمَاعِيلَ مِثْلَ ذَلِكَ .
Narrated Ibn 'Abbas:"The Prophet (ﷺ) died when he was sixty-five years old
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:
Ahmad Muhammad ShakirShadh
Al-AlbaniShadh
Zubair Ali ZaiDaif
In-book reference: 49:18