مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2850
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
Narrator mentioned in the hadith: And the Messenger of Allah (ﷺ) ruled that one-fifth be taken from buried treasure.
Musnad Ahmad 2870Saheeh because corroborating evidence; see the previous repo