Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates from Sayyiduna Zayd bin Thabit (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) granted permission, in the case of 'araya, to sell them by measure according to their estimated amount.
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 4760