Sahih Muslim 4329
صحيح مسلم#4329SahihSalim b. 'Abdullah reported on the authority of his father that Allah's Apostle (ﷺ) said:He who emancipates a slave (shared) by him and another one, his full price may be justly assessed from his wealth, neither less nor more, and he (the slave) would be emancipated if he (the partner) would be solvent enough (to forgo the amount of his share)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 27:76