Wata is a company that provides grading and authentication services for video game collectors. I have noticed a number of Wata graded prototypes popping up lately. I have written up an article showing how they have absolutely no idea what they are doing when it comes to prototypes.. Do not trust them!
SNES Central: Grading video game prototypes
Wata Games promises to grade and provide authentication of video games. Should they be doing this for prototypes? Let's look into this.
snescentral.com