Hadith 24009/70
Yazid ibn Harun narrated to us, al-Jurayri informed us, from Abu al-‘Ala’, from Abu Muslim al-Judhami, from al-Jarud, who said: I said, or a man said: O Messenger of Allah, what about a lost item we find? He said: "Announce it, do not conceal it, and do not hide it. If you find its owner, give it to him; otherwise, it is the property of Allah, He gives it to whomever He wills."
Hadith 24009/71
Narrated to us by Muhammad ibn Ja'far, narrated to us by Shu'bah, from Qatadah, from Abu Muslim, from Al-Jarud ibn Al-Mu'alla, that the Messenger of Allah, peace and blessings be upon him, said: "The lost property of a Muslim is the burning coals of the Fire."