"I agree, John: The part of the autograph I can see looks real to me except that it appears to be signed a little slower than usual. The seller rating says stay away, though.
If genuine, it's worth half or less what one with a clearly visible…"
"I did ask the seller for a little more info about the COX coa. This is what he said:
It was authenticated by him. Purchased from seller who obtained the autograph. Signed around 2010.
Thanks for your help"