Hadith 6:59
Al-Maisur bin Makhramah (RAA) narrated, ‘The Messenger of Allah (ﷺ) sacrificed his animal before he shaved and commanded his companions to do so.’ Related by Al-Bukhari.
وَعَنْ اَلْمِسْوَرِ بْنِ مَخْرَمَةَ رَضِيَ اَللَّهُ عَنْهُمَا { أَنَّ رَسُولَ اَللَّهِ - صلى الله عليه وسلم -نَحَرَ قَبْلَ أَنْ يَحْلِقَ, وَأَمَرَ أَصْحَابَهُ بِذَلِكَ } رَوَاهُ اَلْبُخَارِيُّ
Original Reference: Bulugh al-Maram 767