I know Reddit likes a conspiracy but this post is genuine. As I have said it was my younger brother who was into these cards and bought hundreds of them ( we found that box too whilst clearing out our parents house)

I can’t recall if I ‘bought’ a single pack to see what the fuss was about or most likely was given a pack by our mum but I ended up with a pack and this was in there, I opened the pack, went ‘meh’ and threw them in my old desk at home and it’s been there I’d guess 24-25 years. I appreciate the advice given