Sunan Ibn Majah 2851
سنن ابن ماجه#2851SahihIt was narrated from Habib bin Maslamah that the Prophet (ﷺ) awarded one third (of the spoils of war) after the one fifth (had been taken)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih
In-book reference: 24:99