It was narrated that Jabir said:
'The Messenger of Allah (ﷺ) forbade selling food bought by measure until two Sa' have been measured - the Sa' of the seller and the Sa' of the buyer."[1] (ES)
English reference (ES): Vol. 3, Book 12, Hadith 2228 (ES)
Arabic reference (ES): Book 12, Hadith 2313 (ES)