Café Royal Cocktail Book by W. J. Tarling (1937, p.123)
| 0.08 part | lemon juice | acid |
| 0.67 part | gin | base |
| 0.08 part | curacao — blue curaçao | modifier |
| 0.17 part | silver water — Danzig silver water | other |
- Build in a sugar-crusted glass.
Invented by Laurie Ross.