NTSC-J is Japan. NTSC is US.
If you see another of those tubes or get more info let me know what it is will ya?
What kind of condition is the regular MGS2 game in? I have both versions perfectly sealed (prem pack version graded and slabbed) but my normal version looks a little yellow to me. Hows the seal? Does the white look really white?
For referenc3e here are mine:
