This rarest rye whiskey ever. While fully mature at four years of aging, this whiskey is destined to delight rye-lovers everywhere with multiple layers of intense spice, that rye is known for. Due to a growing problem with counterfeit whiskey, the U.S. congress passed the Bottled-in-Bond Act of 1897. As a result, strict quality standards were established for a whiskey to wear the exclusive "Bottled in Bond" designation.