Finds Sunan Abi Dawud 1715

Arabic hadith text
حَدَّثَنَا الْهَيْثَمُ بْنُ خَالِدٍ الْجُهَنِيُّ، حَدَّثَنَا وَكِيعٌ، عَنْ سَعْدِ بْنِ أَوْسٍ، عَنْ بِلاَلِ بْنِ يَحْيَى الْعَبْسِيِّ، عَنْ عَلِيٍّ، رضى الله عنه أَنَّهُالْتَقَطَ دِينَارًا فَاشْتَرَى بِهِ دَقِيقًا فَعَرَفَهُ صَاحِبُ الدَّقِيقِ فَرَدَّ عَلَيْهِ الدِّينَارَ فَأَخَذَهُ عَلِيٌّ وَقَطَعَ مِنْهُ قِيرَاطَيْنِ فَاشْتَرَى بِهِ لَحْمًا ‏.‏
Translation
Narrated Ali ibn Abu Talib

Al-Haytham ibn Khalid al-Juhani narrated to us: Waki‘ narrated to us, from Sa‘d ibn Aws, from Bilal ibn Yahya al-Absi, from ‘Ali, may Allah be pleased with him, that he picked up a dinar and purchased some flour with it. The owner of the flour recognized it and returned the dinar to him. ‘Ali took it, cut off two qirats from it, and purchased some meat with it.