Sahih Muslim 1749bBook 32, Hadith 40
وَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، ح وَحَدَّثَنَا مُحَمَّدُ بْنُ رُمْحٍ، أَخْبَرَنَا اللَّيْثُ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم بَعَثَ سَرِيَّةً قِبَلَ نَجْدٍ وَفِيهِمُ ابْنُ عُمَرَ وَأَنَّ سُهْمَانَهُمْ بَلَغَتِ اثْنَىْ عَشَرَ بَعِيرًا وَنُفِّلُوا سِوَى ذَلِكَ بَعِيرًا فَلَمْ يُغَيِّرْهُ رَسُولُ اللَّهِ صلى الله عليه وسلم .
Ibn 'Umar reported that Allah's Messenger (ﷺ) sent an expedition to Najd and Ibn Umar was also among the troops, and their share (of the spoils) came to twelve camels and they were given one camel over and above that. and Allah's Messenger (ﷺ) did not make any change in it.