Sunan an-Nasa'i 4812
سنن النسائي#4812Sahihأَخْبَرَنَا الْقَاسِمُ بْنُ زَكَرِيَّا بْنِ دِينَارٍ، قَالَ حَدَّثَنَا سَعِيدُ بْنُ عَمْرٍو الأَشْعَثِيُّ، قَالَ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ أَيُّوبَ، عَنْ عِكْرِمَةَ، وَعَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ مُكَاتَبًا، قُتِلَ عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم فَأَمَرَ أَنْ يُودَى مَا أَدَّى دِيَةَ الْحُرِّ وَمَا لاَ دِيَةَ الْمَمْلُوكِ .
It was narrated from Ibn 'Abbas that:a Mukatab was killed at the time of the Messenger of Allah and he commanded that the Diyah be paid (equivalent) to the Diyah for a free man, (proportionate to the amount he had paid off towards buying his freedom)
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: 45:107