Café Royal Cocktail Book by W. J. Tarling (1937, p.142)

0.33 partCointreau base
0.33 partgin — dry gin (Booth's)base
0.33 partdry vermouth — French vermouth (Noilly Prat)modifier
  1. Shake.

Garnish: Orange peel.

Invented by L. H. Gray.