Reverse Around the edge of the coin are decorative raised dots. In the center, within a wreath formed by olive and oak branches tied at the base, is a two-line inscription '10 / REIS', meaning 'ten reis'.
Obverse Around the edge of the coin are decorative raised dots. Along the upper rim is an inscription in Catalan 'CARLOS I REI DE PORTUGAL', translating to 'Carlos I King of Portugal'. The mint year '1892' is at the bottom, flanked by raised dots. In the center, within a circular dotted border, is the right-facing profile of the king. Below the portrait truncation is the engraver's signature, Valancio Alves: 'ALVES'.