Sales and Trade

Bukhari :: Book 3 :: Volume 34 :: Hadith 380

Narrated Ibn 'Umar:

Allah's Apostle 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.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star