Café Royal Cocktail Book by W. J. Tarling (1937, p.172)
| 0.25 part | Calvados — calvados or apple brandy | base |
| 0.5 part | gin — dry gin | base |
| 1 dash | lemon juice | base |
| 0.25 part | apricot brandy | modifier |
- Shake and strain into a cocktail glass.
Prince's Smile
Prince's Smile is dry gin with apricot brandy, calvados or apple brandy, and lemon juice.