SEGA SDI Mark III Master System Gold Cartridge 1M Mega Complete CIB Japan

This is Sega's SDI Gold Cartridge (1M Mega) for the Mark III / Master System, from Japan.

It comes complete with the box, instruction booklet ("Gold Cartridge SDI"), and cartridge, as pictured. It is in used condition with general shelf wear on the box and manual, so please review all photos closely for the exact condition.

Ships from Japan.