Introducing Jack Daniels Font! The Jack Daniel’s is a sour mash Tennessee Whiskey brand founded in 1857. In the present time, Jack Daniels is a top-selling American whiskey all over the world. The Square bottles and black label is the identity of this brand. On April 30, 2017, Jack Daniels sold 12.5 million cases and at the end of 2017, the production output was nearly 16.1 million cases. Therefore, most of the whiskey lovers know about this.