That is very interesting. I wish there was someone on the board who could speak to this more eloquently.
If one assumes the PSA example is correct (the PSA site says simply it is an 1885 example, but it looks like a list, so who knows if it wasn't written by someone else [
http://www.psaautographfacts.com/Aut...timothy-keefe]) the ebay and Topps examples
do look very much alike to the untrained eye with the split base and the larger loop on the cap of the T.