A BOTTLE of cognac in the Netherlands was last week officially been named the oldest of its kind in the world. Lars Janssen is a collector who has a bottle of Jules Robin Cognac. A 328-year-old cognac has been certified as the oldest in existence And it dates back to 1696, making it 328 years old. The Guinness World Records have confirmed it is the oldest bottle, beating the previous holder, a bottle of Gautier from 1762. It was one of just thre…