مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3458
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 should not sell it until he takes possession of it.” Ibn ‘Abbas (رضي الله عنه) said: I think everything is like foodstuff.
Musnad Ahmad 3481Its isnad is saheeh, al-Bukhari (2135) and Muslim (1525)]