I had a pair of GM Thunder 4's and a friend has GM Bred 11's and both Jumpmen on the insoles have a fatter left arm with lack of detail, similar to the top of the box on both pairs. It's not 100% full proof yet, I'd like to gather more info from people with GM's and what not though.
Jordan 1 Royal (2013) - Size 10 - Deadstock Brand New In Box with Receipt from DTLR. I took pictures from every angle commonly used to verify authenticity.