Issued by Spain, this 1977 commemorative celebrates the thousand-year heritage of the Castilian (Spanish) language. The design features medieval manuscript script and Romanesque-style figures, evoking early Iberian codices and the birth of written Spanish literature. Printed by F.N.M.T., the elegant purple and green engraving gives the stamp a scholarly, historic character. A culturally significant thematic piece ideal for language, literature, and medieval history collections. Popular among Europa and heritage-themed collectors for its artistic manuscript presentation and strong narrative value.