In early August, artist Frank Millet proposed to the fair's Director of Decorations, Olin Warner, that Warner design the coin. Warner modeled one depicting a profile of Columbus, not based on the Lotto portrait. His reverse showed a caravel ship, symbolizing the Santa María, Columbus's flagship, above two globes representing the hemispheres, though they lacked the continental outlines.
In early August, artist Frank Millet suggested to the fair's Director of Decorations, Olin Warner, that Warner design the coin. Warner created one featuring a profile of Columbus, not based on the Lotto portrait. His reverse showed a caravel ship, symbolizing the Santa María, Columbus's flagship, above two globes representing the hemispheres, though they lacked the continental outlines.