Gomez didnt miss it.. it was noticed at Whitewood stage which is why they have whitewood.
They ( Gary Stern) chose not to do anything about it so the model could roll out the door complete with errors
Maybe that was the plan in order for them become true collector's items......
http://en.wikipedia.org/wiki/Inverted_JennyJust like the run of ACDC Premiums with the cloudy clearcoat window.