Wanted: Metal Gear for the MSX2

Greetings! I am looking for a complete, and original (not an emulated ROM), copy of the Japanese version of Metal Gear for the MSX2 with its box, manual, and game cartridge. If anyone has an original copy that they're willing to sell, or even knows of a place where I can purchase it, please email me and/or post oyur reply at this forum. Thanks!!!