Beta Tester stamp

Beta Tester is an extreme-level stamp in Club Roblox. To obtain this stamp, you can logging into the Beta Test Event.

Trivia

 * In the original Club Penguin and Club Penguin Rewritten, there's no Beta Tester stamp.
 * In the Club Penguin, the stamp system didn't exist until July 26, 2010.
 * In the Club Penguin Rewritten, instead of the mascot stamps like Aunt Arctic, Franky, Gary, Petey K, Rockhopper and Sensei.
 * That stamp is only Beta Test Event until the event is over.