Sahih al-Bukhari 2534
Book 49: Manumission of Slaves · Narrated by Jabir bin `Abdullah
Arabic
حَدَّثَنَا آدَمُ بْنُ أَبِي إِيَاسٍ، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا عَمْرُو بْنُ دِينَارٍ، سَمِعْتُ جَابِرَ بْنَ عَبْدِ اللَّهِ ـ رضى الله عنهما ـ قَالَ أَعْتَقَ رَجُلٌ مِنَّا عَبْدًا لَهُ عَنْ دُبُرٍ، فَدَعَا النَّبِيُّ صلى الله عليه وسلم بِهِ فَبَاعَهُ. قَالَ جَابِرٌ مَاتَ الْغُلاَمُ عَامَ أَوَّلَ.
English translation
Narrated Jabir bin `Abdullah:A man amongst us declared that his slave would be freed after his death. The Prophet (ﷺ) called for that slave and sold him. The slave died the same year
Reference: Sahih al-Bukhari 2534, Book of Manumission of Slaves. English translation by Dr. Muhammad Muhsin Khan.