Sahih Muslim Book - 27, Hadith - 4339

وَحَدَّثَنَاهُ أَبُو بَكْرِ بْنُ أَبِى شَيْبَةَ وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ عَنِ ابْنِ عُيَيْنَةَ قَالَ أَبُو بَكْرٍ حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ قَالَ سَمِعَ عَمْرٌو جَابِرًا يَقُولُ دَبَّرَ رَجُلٌ مِنَ الأَنْصَارِ غُلاَمًا لَهُ لَمْ يَكُنْ لَهُ مَالٌ غَيْرُهُ فَبَاعَهُ رَسُولُ اللَّهِ -صلى الله عليه وسلم-. قَالَ جَابِرٌ فَاشْتَرَاهُ ابْنُ النَّحَّامِ عَبْدًا قِبْطِيًّا مَاتَ عَامَ أَوَّلَ فِى إِمَارَةِ ابْنِ الزُّبَيْرِ.

Sufyan bin 'Uyaynah narrated: "'Amr heard Jabir say: 'A man among the Ansar declared that a slave of his would become free after he died, and he did not own any other wealth apart from him. The Messenger of Allah (s.a.w) sold him."' Jabir said: "Ibn An-Nahham bought him, a Coptic slave who died last year, during the governorship of Ibn Az-Zubair."