This is Mark.
We spoke this afternoon about how to repair leather car seats that had black mold on them.
I've attached two pictures; hopefully they are clear enough for you to see the damage.
You can also see a small rust stain where the seat belt was.

#1
Name:  car seat mold 1.jpg
Views: 364
Size:  1.48 MB

#2
Name:  car seat mold closer 2.jpg
Views: 341
Size:  1.06 MB