Yes, it dose age in the bottle!!!
Way back in 1987 one of my best friends and I were getting ready to graduate from high school. At lunch we decided to ditch the rest of the day. He said "Let's go back to my house and drink from my old man's bar." When we got there he produced a bottle of Jim Beam with a 1967 tax stamp on it. I had never been a big fan of whiskey, only being able to drink a shot or two before not being able to get any more down. We sat there for a couple of hours drinking the whole bottle as shots. I had never tasted tasted whiskey so smooth in my life, nor have I since. I have a bottle of Beam from 1995 that I have been ageing. I also have a Bottle of Black Velvet from 1997. These are the years my two sons were born. I want them to have a taste of "the good stuff" when they turn 21. So, I'll re-post in 2016 when we taste the Beam!!!