Authentic Pocket Monsters (Pokemon) Green Version cartridge for Nintendo Game Boy (Japanese release).

Original Japanese DMG-APBJ grey cartridge. Made in Japan. This is the original 1996 Japanese release that later became the basis for Pokémon Red and Blue internationally.

Tested and working. Game loads and plays properly. And all the famous glitches such as menu underflows and warp doors.
Save battery status is unknown due to age but currently works; saving may require battery replacement in the future (common for original Game Boy cartridges).

Label is intact as shown in photos. Please review all images carefully for exact condition.

Cartridge only. No box or manual included.