(TheDrinksBusiness) - World-renowned bartender Salvatore Calabrese has broken the Guinness World Record for the most expensive cocktail with a Cognac-based drink priced at £5,500 a glass. Calabrese with “Salvatore’s Legacy”, the world’s most expensive cocktail “Salvatore’s Legacy”, concocted by Calabrese in front of an audience of London’s top bartenders at The Playboy Club in Mayfair today, is also the world’s oldest cocktail, containing a liqueur from 1770 and Cognac from 1788, around the time of the American Revolution and Captain Cook’s claiming of Australia. The cocktail, composed of 40ml of 1788 Clos de Griffier Vieux Cognac, 20ml of 1770 Kummel Liqueur, 20ml of 1860 Dubb Orange Curacao and two dashes of Angostura Bitters from the 1900s, was bought by a friend and long term client of Calabrese.