Remy Martin XO cognac.
Unfortunately, it's not Louis XVI, but then, I'm not Bill Gates.
A few years ago, while waiting for a flight from Ben-Gurion Airport, I visited the humidor in the James Richardon Duty Free shop and bought 5 boxes of Cuban Cigars. I was invited into their smoking lounge, was brought a bottle of Louis XVI and told I could have two shots. I told them that for the money I had spent, they could leave the bottle, which they did. I knocked off a third of it, and was a VERY happy flier that day... :D