Sunan Abi Dawud 3494
سنن أبي داود#3494SahihIbn 'Umar said: They (the people) used to buy grain in the upper part of the market in the same spot without measuring or weighing it. The Messenger of Allah (ﷺ) forbade them to sell it there before removing it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (1526)
In-book reference: 24:79