The Last Drop Cask 13504 is a rare and limited edition whisky that was bottled in 1968 and is in a 750ml bottle. This particular bottle is labeled as Bottle #159. This whisky is considered to be a collector’s item and is highly sought after by whisky enthusiasts. The Last Drop Cask releases are known for their exceptional quality and rarity, making them a must-have for any serious whisky connoisseur.