(11) Business Transactions
كتاب البيوع
(18b) Chapter: Finds - Section 2
(18) باب اللقطة
Mishkat al-Masabih 3038 
Al-Jarud reported God’s Messenger as saying, “A Muslim’s lost property is a cause of the flame of hell*.” * i.e. when the finder, wishing to keep the article, does not make public the fact that he has found it. Darimi transmitted it.
وَعَنِ الْجَارُودِ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «ضَالَّةُ الْمُسْلِمِ حَرَقُ النَّارِ» . رَوَاهُ أَبُو دَاوُد
 لم تتمّ دراسته  (الألباني)حكم :
Reference : Mishkat al-Masabih 3038
In-book reference : Book 11, Hadith 272