Puerto Rico ½ Mila de Peso Stamp – King Alfonso XIII Young Portrait – Spanish Colonial – Mint

A mint unused stamp from Puerto Rico, issued under Spanish colonial administration in the 1890s. The stamp features an engraved profile portrait of young King Alfonso XIII of Spain, rendered in fine line engraving within an oval frame. Inscription reads Puerto-Rico, ½ Mila de Peso. Printed in olive-grey.

Denomination: ½ mila de peso. Country: Puerto Rico (Spanish colonial). Period: circa 1890s. Condition: Mint, no postmark visible. Perforations complete. A rare Spanish colonial issue from Puerto Rico, highly sought by collectors of Caribbean and Spanish Empire philately.