Colonel E.H. Taylor Barrel Proof Batch 4Originally released in 2015, Batch 4 EHTBP is a barrel proof whiskey aged for an estimated 7 8 years in #4 char American white oak barrels with a mature barrel strength of 127. 2 proof. Composed of an undisclosed mash bill said to be derived from BTDs #1 this choice whiskey offers aromatic notes of delicate spice and vanilla bean. The palate unfurls warmly with tones of vanilla, caramel coated red apples, and dark chocolate blended with roasted nuts.