Sahih Muslim Book 18, Hadith Number 4281.

Chapter : Stray thing found by anyone.

This hadith has been narrated on the authority of Salama b. Kuhail through different chains of transmitters. In their ahadith, it is three years, except in the hadith of Hammid b. Salama it is two years or three years. In the hadith transmitted on the authority of Sufyan and Zaid b. Abu Unaisa and Hammid b. Salama (the words are): “If someone comes and informs you about the number (of articles) of the bag and the straps, then give that to him.” Sufyan has made this addition in the narration of Waki’: “Otherwise it is like your property.” And in the narration of Ibn Numair the words are: “Otherwise make use of that.”