I dueled a man and killed him, so the Messenger of Allah ﷺ awarded me his belongings as spoils.
حدثنا علي بن محمد حدثنا وكيع حدثنا أبو العميس وعكرمة بن عمار
بارزت رجلا فقتلته فنفلني رسول الله ﷺ سلبه
[Its chain of transmission is sahih] Ahmad narrated it in 4/45, from Waki through this chain, and Busiri graded it sahih.