Hello i am selling it from Spain.
I can do Mondial Relay to France/Belgium for 8 euros:
Metal Slug 3 - 90€
Metal Slug 3 (serial Scratched) - 80€
Metal Slug X blue - 85 €
Metal Slug X grey-transparent (second photo - label broken in half) - 75€
https://ibb.co/k1y0SRw
https://ibb.co/zXZ5Zrj
All working and original label/pcb