L'Art du Shaker by Dominique Migliorero (1925, p.39)

0.17 partcognac — Cognacbase
2 dashFernet Branca base
0.17 partcuracoa — Curacoamodifier
0.67 partItalian vermouth — Vermouth Turinmodifier
  1. Stir very cold and serve.

The source attributes this to Luigi of Elmano's Bar, Paris.