I mentioned previously that I enjoyed a cocktail called the Handsome Jack at London's Experimental Cocktail Club. I believe it's a loose take on the Vieux Carre.
The drink's creator, Chris Tanner, gave me permission to post it with a photo. Awesome.
By Chris Tanner, Experimental Cocktail Club Chinatown
20ml Pierre Ferrand Ambre Cognac
20ml Rittenhouse Rye whiskey
20ml Byrrh aperitif wine
3ml Green Chartreuse
3ml organic maple syrup
2x dash Angostura bitters
2x dash Peychaud's bitters
Stir gently until diluted and strain into a chilled coupette, zest with a lemon and discard.