Custom Stamped Discs?
All manufacters are offered the chance to create a custom stamp for the event. In 2012 Innova, Gateway, and DGA (for the pre-event DGA sponsored event) created excellent hot stamps. Sometimes manufactures wait untill the last second to send disc so they can introduce new models for the BIG event and do not have time to do the custom stamp, and some want their logo disc in the players' package.
And Discstalker.com made some custom trophy disc that had to be earned: