United States 1913-15 Panama-Pacific Exposition Issue

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

This set of four stamps commemorates the 1915 Panama-Pacific International Exposition in San Francisco. The designs feature significant figures and scenes related to the discovery and construction of the Panama Canal: Vasco Núñez de Balboa (1¢), the Pedro Miguel Locks (2¢), the Golden Gate (5¢), and the discovery of San Francisco Bay (10¢). The stamps are celebrated for their intricate engravings and historical subjects.

Issued to celebrate the opening of the Panama Canal and the 400th anniversary of the discovery of the Pacific Ocean, these stamps promoted the Panama-Pacific Exposition, a world's fair that showcased San Francisco's recovery from the 1906 earthquake and celebrated a major American engineering achievement.