IBA official recipe includes:
Components
30 ml – Gin
30 ml – Apricot Brandy
30 ml – Calvados
Preparation
Pour all ingredients into cocktail shaker filled with ice cubes. Shake and strain into chilled cocktail glass.
* Notes – Serve straight up: chilled, without ice.
Enjoy ! ADB
This cocktail appears in the Savoy Cocktail Book compiled by Harry Craddock in 1930.