(55) باب بَيْعِ الطَّعَامِ قَبْلَ أَنْ يُقْبَضَ، وَبَيْعِ مَا لَيْسَ عِنْدَكَ
Narrated Ibn `Umar:
The Prophet (ﷺ) said, "The buyer of foodstuff should not sell it before it has been measured for him." Isma`il narrated instead, "He should not sell it before receiving it."
Reference: Sahih al-Bukhari 2136
In-book reference: Book 34, Hadith 88
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 34, Hadith 346