This was discussed relatively recently looking at a card with a defect. @pkmnflyingmaster made a video.
www.elitefourum.com/t/how-holo-pokemon-cards-are-printed-misprints/25808/1
This was discussed relatively recently looking at a card with a defect. @pkmnflyingmaster made a video.
www.elitefourum.com/t/how-holo-pokemon-cards-are-printed-misprints/25808/1