(51) باب الْخِتَانِ بَعْدَ الْكِبَرِ وَنَتْفِ الإِبْطِ
Sa'id ibn Jubair said, "Ibn 'Abbas said, 'When the Prophet (ﷺ) died, I had already been circumcised.' "
Reference: Sahih al-Bukhari 6300
In-book reference: Book 79, Hadith 72
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 74, Hadith 313