Sahih al-Bukhari Book 34, Hadith 84

Ibn `Abbas said, "Allah's Messenger (ﷺ) forbade the selling of foodstuff before its measuring and transferring into one's possession." I asked Ibn `Abbas, "How is that?" Ibn `Abbas replied, "It will be just like selling money for money, as the foodstuff has not been handed over to the first purchaser who is the present seller."

Previous Hadith

that his father said. "I saw those, who used to buy foodstuff without measuring or weighing in the life time of the Prophet (ﷺ) being punished if they sold it before carrying it to their own houses."

Sahih al-Bukhari Book 34, Hadith 83
Next Hadith

The Prophet (ﷺ) said, "He who buys foodstuff should not sell it till he has received it."

Sahih al-Bukhari Book 34, Hadith 85