Hadith 3260
A similar tradition has also been transmitted by Yusuf bin Abdullah bin Salam through a different chain of narrators.
Hadith 3511
Narrated Abdullah ibn Masud: Muhammad ibn al-Ashath said: Al-Ashath bought slaves of booty from Abdullah ibn Masud for twenty thousand (dirhams. Abdullah asked him for payment of their price. He said: I bought them for ten thousand (dirhams). Abdullah said: Appoint a man who may adjudicate between me and you. Al-Ashath said: (I appoint) you between me and yourself. Abdullah said: I heard the Messenger of Allah ﷺ say: If both parties in a business transaction differ (on the price of an article), and they have witness between them, the statement of the owner of the article will be accepted (as correct) or they may annul the transaction.
Hadith 3830
Narrated Yusuf ibn Abdullah ibn Salam: I saw that the Prophet ﷺ took a piece of break of barley and put a date on it and said: This is the condiment of this.