Sahih Muslim 4562
صحيح مسلم#4562SahihIbn Aun said:I wrote to Nafi' asking him about Nafl (spoils of war) and be wrote to me that Ibn 'Umar was among that expedition. (The rest of the hadith is the same)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 32:43