Collector is a hard difficulty stamp in Club Penguin. In order to obtain this stamp, the player has buy every single item in Club Penguin: Game Day!. For a full list of the items required, see here. Note: the backgrounds and colors are not required for this stamp.
This stamp was released on September 13th, 2010, along with other Game Day! stamps, prior to the release of Game Day!
This stamp is a bait item if a player attempts to perm it.