Overeem 12 Year Old Bourbon Cask Release 2022 – Available March 2022 Overeem 12 Year Old 12 Bourbon Cask Release 2022 – Casey Overeem Available March 2022. Please join our mailing list and you’ll be the first to know when it’s released. Previous Tasmania takes home top honours at The Australian Whisky Awards Next Overeem Stout Cask Finish – Available June 2022