The box, yet to be made.
A dimensioned drawing.
A preliminary drawing.
Another reported original. This looks more correct with sharper edges. So this was the candidate for replicating.
Reported original key. I believe it to be a Promotional giveaway at the time of the film release not a production made item. It's too soft...
Frame grab of Key Box opened.
Frame grab of the Key Box opened
Frame Grab of Key Box
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