That is a blinder, it was originally on both sides of the card. It was a mystery what player you got when you pulled it from a pack. They basically copied the Topps concept of Mystery Finest.
VERY slow trading due to health problems. Not transferrable so safe to trade with, just moving is painful and can't always access the cards.
Cardboard History My COMC
New Collection Website: Cardboard History Gallery (Still under construction)
Tips on how to make your scans look like the card does in hand (No more washed out, fuzzy scans!):