>>36973417You need to be able to tell the difference on sight. Look at the ESRB "E" and try to see the proper printing on the motherboard slot. Also try to see if you can see the number impression in the sticker and the foil. Google is your friend. Make sure the images are good and accurate.
For sellers look for random dudes that sell a lot of video games or random stuff they find in thrift shops.
