Sunan Abi Dawud 1709
سنن أبي داود#1709SahihNarrated Iyad ibn Himar: The Prophet (ﷺ) said: He who finds something should call one or two trusty persons as witnesses and not conceal it or cover it up; then if he finds its owner he should return it to him, otherwise it is Allah's property which He gives to whom He will
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 10:9