Cheerio! A Book of Punches and Cocktails by Charles (1928, p.25)

2 partsgin base
1 partFrench or Italian vermouth — French or Italian Vermouthmodifier
ice — Shake with ice.other
0.5 teaspoonfulFive Fruits syrup sweetener
  1. Place the gin, vermouth, Five Fruits syrup, and ice in a shaker.
  2. Shake well and serve in a cordial glass.

Ice: Ice

See also: Orange Curacoa Cocktail, Vermouth Cocktail