L'Art du Shaker by Dominique Migliorero (1925, p.18)

2 dashAngostura bitters base
2 dashorange bitters — Orange bittersbitter
1 glassCinzano — Vermouth Cinzanoother
1 zestlemon zest — Lemon zestother
  1. Stir very cold, strain into a cocktail glass, express lemon zest, and serve.

Garnish: Lemon zest

El Bar Americano en España by Pedro Chicote (1927, p.53)

10 dropscoñac base
ice — 3 ó 4 pedacitos de hielobase
1 copitavermut Cinzano modifier
10 copitaGran Marnier — Source omits the repeated unit and uses dash shorthand.other
  1. Agítese muy bien y sírvase en copa de cocktail.

Ice: Ice

Cocktails by Pedro Chicote (1928, p.126) — Cinzano-led aromatic

10 dropscognac — Coñacbase
10 dropsGrand Marnier — Gran Marniermodifier
1 copitaItalian vermouth — Vermut Cinzanomodifier
  1. Shake very well and serve in a cocktail glass.

Ice: 3 to 4 pieces ice

This matters because it preserves a house-vermouth-branded aromatic in Chicote's Madrid cocktail field.

See also: Vermouth Cocktail, Manhattan Cocktail