Sahih Muslim 4068
صحيح مسلم#4068SahihAbu Huraira (Allah be pleased with him) reported Allah's Mess-., nger (ﷺ) as saying:Gold is to be paid for by gold with equal weight, like for like, and silver is to be paid for by silver with equal weight, like for like. He who made an addition to it or demanded an addition dealt in usury
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: 22:107