Café Royal Cocktail Book by W. J. Tarling (1937, p.60)
| 0.5 part | gin — Gordon's dry gin | base |
| 6 dashes | lemon juice — fresh lemon juice | base |
| 0.25 part | Amer Picon | modifier |
| 6 dashes | curacao — orange curaçao | modifier |
| 0.25 part | dry vermouth — French vermouth | modifier |
- Shake and strain.