It was narrated from Ibn `Umar that :the Messenger of Allah (ﷺ) entered into a contract with the people of Khaibar for one half of the fruits or crops yielded
SahihSahihSahihBook 16 · Hadith 32
سنن ابن ماجه
It was narrated from Ibn `Umar that :the Messenger of Allah (ﷺ) entered into a contract with the people of Khaibar for one half of the fruits or crops yielded