Kunto & ArviointiHow to Grade a PS1 Disc Before You Buy or SellHold the disc under a lamp and tilt it. If the underside glows that deep, smoky black, you're holding the real thing – Sony pressed original PlayStation discs with black-tinted polycarbonate on the read side, and nearly thirty years on it's still the fastest authentication check in retro collecting. If it's silver, put it down.
Everything else about grading a PS1 copy comes down to two honest questions: will it still play, and is it actually complete? Sellers blur both all the time. Here's how
