L'Art du Shaker by Dominique Migliorero (1925, p.19)
| 2 dash | Angostura bitters | base |
| 0.67 part | Holland gin — Holland gin (Schiedam) | base |
| 0.33 part | Italian vermouth — Vermouth Italien | modifier |
| 1 zest | lemon zest — Lemon zest | other |
- Stir very cold, strain into a cocktail glass, and serve with expressed lemon zest.
Garnish: Lemon zest
The source explicitly labels this as the author's recipe.