(28) باب بَيْعِ الثَّمَرِ قَبْلَ أَنْ يَبْدُوَ صَلاَحُهُ
; It was narrated from Ibn 'Uar that the Messenger of Allah said:
"Do not sell fruits until their condition is known. And he forbade (both) the seller and the purchaser (to engage in such a transaction).
Reference: Sunan an-Nasa'i 4519
In-book reference: Book 44, Hadith 71
English translation: Vol. 5, Book 44, Hadith 4523