Hadith 5:978
Ibn ‘Uyaynah narrated to us, from al-Zuhri, from Sa‘id ibn al-Musayyib, from Abu Hurayrah, from the Prophet (may Allah bless him and grant him peace), who said: "In the Rikaz (buried treasure), there is one-fifth."
حدثنا بن عيينة عن الزهري عن سعيد بن المسيب عن أبي هريرة عن النبي صلى الله عليه وسلم قال في الركاز الخمس