Counterfeit Headmaster comparison, plus easy tell for ID-ing!
Megamus at TFW has taken some photos of the fake Spike, Zarak, and Black Zarak Scorponok:
Quote: "With all of them you can mainly tell by the rivets. The original is smooth and is actually a rivet. The reproduction is more of a metal rod that has been drilled to mushroom the head."
This should definitely help those trying to differentiate the fakes from the real thing.