Here are some pics of a gameboy display case I picked up several years ago.
Here is the front:
http://i372.photobucket.com/albums/o...g?t=1232305934
Here is the front with the compartment (which holds manuals) open:
http://i372.photobucket.com/albums/o...g?t=1232305714
Here's the back:
http://s372.photobucket.com/albums/o...1232305216.jpg
Here is the paper insert (which includes artwork for "Doomsayer" - which was apparently never released:
http://i372.photobucket.com/albums/o...g?t=1232305807