I don't believe it is real also. While I agree with the seller that the PSA check is bad, he obviously sent these for at least a quick opinion and it failed. Otherwise, these would be encapsulated and selling for 10 times the amount the last one sold for. Even if it were real for arguments sake, as I have learned the hard way, if a TPA won't pass it-it has no real value.
Additionally, as other has said-and as the other 1900 check proves-his "S" is very distinctive and that middle initial looks nothing like an "S" to me, I would go with an H.
Here is my 1913 signed banquet menu for comparison purposes:
