In the apocryphal book “Acts of Paul and Thecla,” I believe there is a description of Paul.
I’ll see if I can find it.
Ah ... Here it is:
“And he saw Paul coming, a man little of stature, thin-haired upon the head, crooked in the legs, of good state of body, with eyebrows joining and nose somewhat hooked, full of grace; for sometimes he appeared like a man, and sometime he had the face of an angel.”
Acts of Paul and Thecla