I believe I figured out the mystery... does he have something in common with these??
http://www.net54baseball.com/archive...?t-158485.html
https://www.cgccomics.com/boards/top...not-deal-with/
http://t.net54baseball.com/showthrea...187925&page=12
just a small % of his known ebay ids:
photoguy777
sportsfanatic253(assume the id in question??)
bruthfan253
joeyd0_0 (I can't imagine how many were done like this with variances of numbers).
joeyf
sam1952
jbooge
mantlefan81
deaddead
cardcollector2000
lexguy81
banderson77787
italianz31 ...etc etc etc...