Cocktails by Pedro Chicote (1928, p.99) — Orange slice finish

0.5 lemonlemon juice — Jugo de medio limonacid
Angostura bitters — Angosturabase
1 copitacognac — Conacbase
curacao — Source gives a few drops.modifier
0.5 partvermouth — Vermutmodifier
  1. Shake and serve in a cocktail glass, adding an orange slice.

Garnish: Orange slice

Ice: 3 to 4 pieces chopped ice

This matters because it preserves a Spanish cognac-and-vermouth citrus branch rather than only Anglo hotel versions.

See also: Side-Car Cocktail, Brandy Sour