1c Panama-Pacific Exposition, Balboa

United States · 1913 · 1¢

This green one-cent stamp features a portrait of Vasco Núñez de Balboa, the Spanish explorer credited as the first European to see the Pacific Ocean from the Americas. The stamp was part of a four-stamp set issued to commemorate the 1913 Panama-Pacific Exposition held in San Francisco, California.

The Panama-Pacific Exposition celebrated the completion of the Panama Canal, a monumental engineering feat that connected the Atlantic and Pacific oceans and transformed global trade routes.