Ibn 'Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) having forbidden Muzabana, and Muzabana implies the selling of dry dates for fresh dates on the tree with a definite measure (making it clear) that in case it increases, it belongs to me and if it is less, it is my responsibility.
Reference | : Sahih Muslim 1542e |
In-book reference | : Book 21, Hadith 96 |
USC-MSA web (English) reference | : Book 10, Hadith 3697 |
(deprecated numbering scheme) |