This Costa Rican airmail stamp, valued at 25 centavos, was issued to commemorate the First Continental Conference of Lawyers. It features a finely detailed portrait of Lic. Vicente Herrera Zeledón (1821–1888), a lawyer and politician who served as President of Costa Rica (1876–1877). Printed by the Imprenta Nacional de Austria, Vienna, the design is in monochrome with strong line engraving, emphasizing Herrera’s significant role in Costa Rican legal and political history. A notable item for collectors of Latin American political figures, legal history themes, and airmail issues.