This hadith has been narrated on the authority of Simak with the same chain of transmitters.
Sahih Muslim Book 43, Hadith 144
← Previous Hadith I saw the seal on his back as if it were a pigeon's egg.

Sahih Muslim Book 43, Hadith 143 Next Hadith → My mother's sister took me to Allah's Messenger (ﷺ) and said: Allah's Messenger, here is the son of my sister and he is ailing. He touched my head and invoked blessings upon me. He then performed ablution and I drank the water left from his ablution; then I stood behind him and I saw the seal between his shoulders.

Sahih Muslim Book 43, Hadith 145