Louis' Mixed Drinks with Hints for the Care & Serving of Wines by Louis Muckensturm (1906, p.39)

1 liqueur-glassdry vermouth — French vermouthbase
2 liqueur-glassesgin — Ginbase
2 dashescreme de cassis — Creme de Cassismodifier
  1. Fill the mixing glass with ice, stir well, strain into a cocktail glass, and serve.

Ice: Ice