For your consideration, here is the Game Boy The Bugs Bunny Crazy Castle 2 Game Cartridge, no. DMG-BY-USA, made in Japan.  The game has been tested.  It works great and started right up.  Photos of the game were taken using a Game Boy to SNES adapter.

 

The game cartridge label has some wear on it.  There is some writing on the back of the cartridge.  It will be mailed in a bubble mailer.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (367.280v-.4bb)