The item was successfully added to the shopping cart. View Cart #BF083 - Group of 10 Cork Lined Diet Dad's Root Beer Soda Caps You get 10 for $1.20 (that's 12¢ each). Very early cork lined Diet Dad's Root Beer soda caps from the late 1950s. This was one of the first diet soda drinks to be sold nationally. They were found at the Belleville Bottling Company in Belleville, IL and are marked as such around the rim. Excellent unused condition. $1.20 -+