Sunan Abi Dawud 3495
سنن أبي داود#3495Sahihحَدَّثَنَا أَحْمَدُ بْنُ صَالِحٍ، حَدَّثَنَا ابْنُ وَهْبٍ، حَدَّثَنَا عَمْرٌو، عَنِ الْمُنْذِرِ بْنِ عُبَيْدٍ الْمَدِينِيِّ، أَنَّ الْقَاسِمَ بْنَ مُحَمَّدٍ، حَدَّثَهُ أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ حَدَّثَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى أَنْ يَبِيعَ أَحَدٌ طَعَامًا اشْتَرَاهُ بِكَيْلٍ حَتَّى يَسْتَوْفِيَهُ .
Narrated Abdullah ibn Umar: The Messenger of Allah (ﷺ) forbade to sell grain which one buys by measurement until one receives it in full
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiDaif
In-book reference: 24:80