Vasco Núñez de Balboa
Vasco Núñez de Balboa (; c. 1475around January 12–21, 1519) was a Spanish explorer, governor, and conquistador. He is best known for having crossed the Isthmus of Panama to the Pacific Ocean in 1513, becoming the first European to lead an expedition to have seen or reached the Pacific from the New World.
Territories of the United States on stamps
Vasco Núñez de Balboa, the Spanish explorer of the Panama Canal region, is honored in the Panama-Pacific Exposition issue. Balboa called the western ocean 'Mar del Sur'. The 1-cent stamp paid the post card rate. Patrons also commonly combined it with other denominations to fulfill large weight and foreign destination rates. Over 330 million 1-cent stamps were printed.