Chill a coupe glass.
Combine the gin, triple sec, lemon juice and orange juice in a shaker.
Add ice and shake hard for 10–12 seconds until well chilled.
Fine-strain into the chilled coupe.
Express an orange twist over the drink and discard.
Printed in the Savoy Cocktail Book in 1930, one of a small family of gin-and-Cointreau sours that includes the White Lady and the Fine and Dandy. Fresh orange juice is not optional here; from a carton it turns dull and flat.
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