Sunan an-Nasa'i 2509
سنن النسائي#2509SahihIt was narrated that:Ibn 'Abbas said concerning Sadaqatul-Fitr. "A Sa' of wheat, or a Sa' of dates, or Sa of barley, or a Sa' of rye." (Sahih Mawquf)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahShadh
Al-AlbaniShadh
Zubair Ali ZaiSahih
In-book reference: 23:75