Issued by Correos de Chile in 1948, this commemorative 40 centavos blue stamp honors the 100th anniversary of the birth of Arturo Prat Chacón (1848–1879), Chile’s revered naval hero. The design features a detailed portrait of Prat alongside a naval battle scene depicting ships from the Battle of Iquique (1879), where he perished heroically aboard the Esmeralda. The stamp celebrates Chile’s maritime pride and Prat’s enduring legacy of bravery and patriotism. It is a significant issue for collectors of Latin American and naval history themes.