Zaid bin Khalid Al-Juhni narrated that the Messenger of Allah (ﷺ) was asked about the lost item. He said:"Make a public announcement about it for one year, if it is claimed then give it to him. Otherwise remember its sack, string, and its count. Then use it, and if its owner comes, give it to him

English translation · Jami' at-Tirmidhi