TIL that each bottle's horse has a letter that spells out Blanton's so you can collect the whole set. Also scored me a bottle of Blanton's so I'm a happy fella. :
BUY] Blanton's Original Single Barrel | FULL COMPLETE HORSE COLLECTION | (8) 750ml Bottles (RECOMMENDED) at CaskCartel.com
Charitybuzz: Blanton's Original Barrel Bourbon Complete 8 Bottle Horse Collection
The History Behind Blanton's Horse and Jockey Bottle Stoppers, and How to Collect Them All | VinePair
Rock Hill Farms & Hancock's Bundle | The Barrel Tap