L'Art du Shaker by Dominique Migliorero (1925, p.66)

0.4 partorange juice — Orange juiceacid
0.4 partgin — Ginbase
2 dashorange bitters — Orange bittersbase
0.2 partGrand Marnier — Grand Marnier Cordon Rougemodifier
  1. Shake well, strain into a cocktail glass, and serve.

The source says Migliorero invented this in September 1926 to commemorate Tunney's championship victory over Dempsey in Philadelphia.