Is there even an entry for the American version? I didn't find one, and the scans for the one you're discussing are different from what I have.
Here are the scans from mine. It's also a Nintendo Power promo, except it was actually included inside one of the issues of the magazine.
http://basil.kg13.com/01%20Slipcover%20-%20Front.jpg
http://basil.kg13.com/02%20Slipcover%20-%20Back.jpg
http://basil.kg13.com/03%20CD.jpg