The Prophet ﷺ passed away when I was ten years old, already circumcised, and I had memorized the decisive portions of the Quran.
حدثنا وكيع حدثنا شعبة عن أبي بشر عن سعيد بن جبير
قبض النبي ﷺ وأنا ابن عشر سنين مختون وقد قرأت محكم القرآن
Its isnad is sahih, and it is a repetition of 2601, and a longer version of 3125, and see 3543.