مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3473
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: "Whoever buys foodstuff, let him not sell it until he takes possession of it." Mis'ar said: I think he said: or animal feed.
Musnad Ahmad 3496Its isnad is saheeh, al-Bukhari (2135) and Muslim (1525)]