hello!
thanks interest...!
No...we havenot any kind of COA and i cannot show any link from ebay from 2010! ...all i can add is that i won a bunch of those like this ones in an auction : Mostly were TMNT signed cells with the original pen draw attached ...like this other guy list as example:
http://www.ebay.com/itm/ROB-PAULSEN-...YAAOSw7aBVB55M
the one is for sale in my ebay-friend havenot the pen-draw attached...
I have all the same TMNT with both artist signed K.Eastman&P.Laird in a better condition...i can post some pics of my own cells signed...
but i never need an authentication! i believe thy are 100% real