The stamp shows the moment when Vasco Núñez de Balboa discovers the South Sea, years later called Pacific Ocean. The inscriptions says: "Vasco Núñez de Balboa discovering the South Sea / led by the Cacique Ponca". /"500 years of the discovery of the Pacific Ocean /1513 – 2013".
The name of the author of the drawing (Alberto Urdaneta) and the year of the postal issue, 2013 also appears.