Sunan an-Nasa'i 4522
سنن النسائي#4522Sahihأَخْبَرَنَا عَبْدُ الْحَمِيدِ بْنُ مُحَمَّدٍ، قَالَ حَدَّثَنَا مَخْلَدُ بْنُ يَزِيدَ، قَالَ حَدَّثَنَا حَنْظَلَةُ، قَالَ سَمِعْتُ طَاوُسًا، يَقُولُ سَمِعْتُ عَبْدَ اللَّهِ بْنَ عُمَرَ، يَقُولُ قَامَ فِينَا رَسُولُ اللَّهِ صلى الله عليه وسلم فَقَالَ " لاَ تَبِيعُوا الثَّمَرَ حَتَّى يَبْدُوَ صَلاَحُهُ " .
Abdullah bin 'Umar said:"The Messenger of Allah stood up among us ad said: 'Do not sell fruits until their condition is known
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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 44:74