Sahih al-Bukhari 2251
صحيح البخاري#2251SahihNarrated `Aisha:Allah's Messenger (ﷺ) bought some foodstuff (barley) from a Jew on credit and mortgaged his iron armor to him (the armor stands for a guarantor)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 35:12