All authentic. Just a word of caution, since I assume you’re a rather new collector:
Those cards are nice for a binder, but not in super great condition and not rare. In case they were offered to you, just don’t spend huge amounts of money on them
Appreciate the advice. I knew I was getting ok condition cards, but I had a plan to put them in a frame and show them as a display on the wall. Needed to complete my childhood collection of the 151. Never got to do it when I was young and broke lol.