Sahih Muslim 4500
صحيح مسلم#4500Sahihوَحَدَّثَنِي أَبُو الطَّاهِرِ، أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ وَهْبٍ، أَخْبَرَنِي سُفْيَانُ الثَّوْرِيُّ، وَمَالِكُ، بْنُ أَنَسٍ وَعَمْرُو بْنُ الْحَارِثِ وَغَيْرُهُمْ أَنَّ رَبِيعَةَ بْنَ أَبِي عَبْدِ الرَّحْمَنِ، حَدَّثَهُمْ بِهَذَا الإِسْنَادِ، مِثْلَ حَدِيثِ مَالِكٍ غَيْرَ أَنَّهُ زَادَ قَالَ أَتَى رَجُلٌ رَسُولَ اللَّهِ صلى الله عليه وسلم وَأَنَا مَعَهُ فَسَأَلَهُ عَنِ اللُّقَطَةِ . قَالَ وَقَالَ عَمْرٌو فِي الْحَدِيثِ " فَإِذَا لَمْ يَأْتِ لَهَا طَالِبٌ فَاسْتَنْفِقْهَا " .
This hadith has been narrated on the authority of Rabi'a b. Abu Abd al-Rahman with the same chain of transmitters but with this addition:" There came a person to Allah's Messenger (ﷺ) while I was with him, and he asked him about picking up of a stray article, and he said: When none comes to demand it, then spend that
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 31:3