Café Royal Cocktail Book by W. J. Tarling (1937, p.57)

0.33 partgin — dry ginbase
0.17 partapricot brandy modifier
0.33 partdry vermouth — French vermouthmodifier
0.17 partCointreau other
  1. Mix and strain.

Tratado Practico de Cocteleria, Pasteleria y Afines by Enzo Antonetti; Mario Kardahi (1966, p.82) — Enzo Antonetti 1966

50 gVodka — vodka Smirnoffbase
10 gcreme de cassis — crema de Cassismodifier
champagne — champagne frappeother
  1. Stir the base cold, strain into a goblet, and top with chilled champagne.

See also: Juramento, Ischia