he coins of King Afonso IV, known as “the Brave”, belong to a reign marked by political stability and significant historical events, including conflicts with Castile and the famous episode of Inês de Castro. He ruled from 1325 to 1357, strengthening royal authority and promoting administrative development. His coinage continued the medieval Portuguese monetary system, with silver dinheiros and half‑dinheiros minted in bolhão alloy, featuring simple designs with crosses and inscriptions. The issues of Afonso IV are appreciated by collectors for their rarity and for their importance in the evolution of Portuguese medieval coinage.