Fake coins in fake holders are on the market. Your coins look genuine. If your coin looks genuine and the grade appears correct, label looks correct, cert number verified, barcode matches, you have a genuine example. There is a little more exposure to the old PCGS
holders being faked because there are not many photos to match up with on the PCGS
site. If you buy PCGS
holders from reputable dealers. it is unlikely that the coin is fake.