Issued in 1998, this $120 Chilean commemorative honors Captain Arturo Prat Chacón (1848–1879), Chile’s national naval hero. The design features a finely engraved portrait of Prat, backed by a detailed depiction of a 19th-century Chilean naval vessel flying the national flag. Below, the stamp illustrates Prat’s birthplace, emphasizing the historic roots of this revered figure. Produced by the Casa de Moneda de Chile, the stamp marks the 150th anniversary of his birth and holds strong significance for collectors of Chilean history and naval-themed issues.