The world's most expensive cocktail was sold at Salvatore's bar at London's Playboy Club for an astonishing £5,500. It included 40ml 1778 Clos de Griffier Vieux Cognac, 20ml 1770 Kummel Liqueur, 20ml circa 1860 Dubb Orange Curacao and 1900s Angostura Bitter. Pour me a Sipsmith G and T from batch 308...