(75) باب بَيْعِ الزَّبِيبِ بِالزَّبِيبِ وَالطَّعَامِ بِالطَّعَامِ
Narrated Ibn `Umar:
Allah's Messenger (ﷺ) forbade Muzabana; and Muzabana is the selling of fresh dates for dried old dates by measure, and the selling of fresh grapes for dried grapes by measure.
Reference: Sahih al-Bukhari 2171
In-book reference: Book 34, Hadith 122
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 34, Hadith 380