Allah's Messenger (ﷺ) appointed somebody as a governor of Khaibar. That governor brought to him anexcellent kind of dates (from Khaibar). The Prophet (ﷺ) asked, "Are all the dates of Khaibar like this?" Hereplied, "By Allah, no, O Allah's Messenger (ﷺ)! But we barter one Sa of this (type of dates) for two Sas ofdates of ours and two Sas of it for three of ours." Allah's Messenger (ﷺ) said, "Do not do so (as that is a kindof usury) but sell the mixed dates (of inferior quality) for money, and then buy good dates with thatmoney."