Café Royal Cocktail Book by W. J. Tarling (1937, p.117)

0.33 partgin — Booth's ginbase
0.33 partsilver water — Silver Water (Der Lachs)base
3 dashesorange bitters bitter
0.17 partaurum — Aurummodifier
0.17 partGrand Marnier modifier
  1. Stir in mixing glass.
  2. Pour into the silver water in the serving glass.

Invented by Jack Saunders.