Sunan Ibn Majah
2513
Sahih Hadith+3

It was narrated that Jabir bin 'Abdullah said:“A man among us promised freedom to a slave after his death, and he did not have any property other than him (this slave). So the Prophet (ﷺ) sold him, and Ibn (Nahham), a man from Banu 'Adi, bought him.”

Sahih HadithAl-Albani
SahihMuhammad Fouad Abd al-Baqi