Panama-Pacific Exposition Issue, Complete Set

United States · 1913 · 1¢, 2¢, 5¢, 10¢

This set commemorates the 1915 Panama-Pacific International Exposition held in San Francisco. The stamps depict scenes related to the Panama Canal: Vasco Núñez de Balboa discovering the Pacific (1¢), the Pedro Miguel Locks (2¢), the Golden Gate (5¢), and the discovery of San Francisco Bay (10¢). The designs celebrate American ingenuity and the historic linking of the Atlantic and Pacific oceans.

Issued to promote the exposition celebrating the completion of the Panama Canal, this event marked San Francisco's recovery from the 1906 earthquake and showcased America's emergence as a world power.