"Hi! I bought this over 10 years ago and yes it was on Tradera. He is no longer there but at the time we had contact by mail and if he collected something he asked me if i wanted to buy it. All the other autographs look auntentic exept this one.…"
As a swedish colllector to it would be interesting to now who you’re talking about, is he a seller on Tradera? Because if he says he got it himself, something is fishy here! If I were you I would list the other graphs you bought…"