These mock-ups boxes were done before the games were finished, but made so that they could be displayed at the CES show. They're only printed on front and sides since they were hung on a wall so you couldn't see the backs. These are the only ones in existence (except for a couple that I sold already) because only a few were made for the show and I got them all when the show was over.
Most of the boxes I have are Acclaim / LJN. I've posted pics of a few of them, including the actual box of Roger Clemens just to give you an idea of how these differ.
No Ninja Rap = No Thanks.
Check out my FS thread here -
http://www.nintendoage.com/forum/...