Louis' Mixed Drinks with Hints for the Care & Serving of Wines by Louis Muckensturm (1906, p.101)

2 dasheslemon juice — Lemon juiceacid
1 breakfast-cupcoffee — Strong black coffeebase
1 liqueur-glassKirschwasser modifier
1 teaspoonfulsugar — Sugarsweetener
  1. Shake well in the mixing-glass with ice, strain into a high-ball glass, twist lemon peel on top, and serve.

Garnish: Lemon peel

Ice: Ice

About Town Cocktail Book by Joe Fitchett (1925, p.12) — About Town 1925

60 percentbrandy base
1 yolkegg yolk — Source says the yolk of a new-laid egg.base
nutmeg — Serve with grated nutmeg on top.other
40 percentport wine — Port Wineother
1 teaspoonfulsugar — Bar Sugarsweetener
  1. Shake well and serve in a port wine glass.
  2. Grate nutmeg on top.

Garnish: Grated nutmeg

This matters because it preserves a service-glass variant of the coffee-cocktail flip logic rather than a wholly distinct recipe family.

The port wine glass service is the main differentiating detail here.

See also: Coffee Cocktail, Country Cocktail