Muwatta Malik 1336
موطأ مالك#1336SahihYahya related to me from Malik that Abu'z-Zinad heard Sa'id ibn al-Musayyab andSulayman ibn Yasar forbid a man to sell wheat for gold on delayed terms and then to buy dried dates with the gold before he had taken delivery of the gold
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMaqtu Sahih
In-book reference: 31:47