Wadah bin 'Abdullah al-Yashkari وضاح بن عبد الله اليشكري أبو عوانة · The Chapters on Business Transactions

"I heard Malik Abu Safwan bin 'Umairah, say: 'I bought a pair of trousers from the Messenger of Allah (ﷺ) before the Hijrah, and he weighed it for me and allowed more."'