The ArtBox Harry Potter POA Gregory Goyle Authentic Costume Card is a highly sought after collectible from the Harry Potter franchise. This limited edition card, numbered 009/535, features a piece of authentic costume material from the Prisoner of Azkaban movie, specifically belonging to the character Gregory Goyle. Manufactured in 2006 by ArtBox, this vintage card is a unique addition to any Harry Potter trading card collection, with features such as serial numbering and insert design making it a valuable and cherished item for fans of the series.