Up for sale is a green (Japan) board ST. Also known as Super Street Fighter II X: Grand Master Challenge. This is the game board only (B board), CPS2 motherboard (A board) not included. It will work with both blue region (USA) and green region (Japan) motherboards as they are compatible. Game has not been phoenixed, meaning it still has a battery, which was changed in July 2013. $325 shipped to USA.
This is sold, thanks for the interest.