Cheerio! A Book of Punches and Cocktails by Charles (1928, p.13)

1 partbrandy base
1 whole eggegg — raw eggother
ice — cracked iceother
1 partport wine — Port wineother
0.5 teaspoonfulpowdered sugar — Or plain syrup.sweetener
  1. Place the brandy, Port wine, raw egg, powdered sugar or syrup, and cracked ice in a shaker.
  2. Shake thoroughly to break the egg, strain into a serving glass, and serve.

Ice: Cracked ice

See also: Brandy Port Nog, Egg Nog