Sahih Bukhari
Sales and Trade
Volume: 003 / Book Number: 034 / Hadith Number: 397
Narrated Ibn 'Umar from Zaid bin Thabit:
Allah's Apostle allowed the sale of 'Araya by estimating the dates on them for measured amounts of dried dates. Musa bin 'Uqba said, "Al- 'Araya were distinguished date palms; one could come and buy them (i.e. their fruits)."