Sahih Bukhari
Sahih Bukhari Volume 003, Book 040, Hadith Number 568.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 40. Distribution of Water
Narated By Abu Huraira : The Prophet allowed the sale of the dates of the 'Araya for ready dates by estimating the former which should be estimated as less than five Awsuq or five Awsuq. (Dawud, the sub-narrator is not sure as to the right amount.)