Reverse Around the upper edge of the coin, from left to right, is the Latin inscription 'PORTUGALIAE ET ALGARBIORUM REX', translating to 'King of Portugal and the Algarves'; below is the year of minting '1872', flanked on both sides by raised four-petaled flowers. The central part features the Roman numeral 10 'X' within a wreath formed by olive and oak branches, tied at the base with a bow.
Obverse The edge of the coin features decorative raised denticles. Around the edge of the coin on the right, bottom, and left sides is the Latin inscription 'LUDOVICUS I DEI GRATIA', translating to 'Luís I by the Grace of God', with all words separated by raised quatrefoil elements. The central part depicts the lesser coat of arms of Portugal crowned with an imperial crown: on the heraldic shield are five escutcheons arranged in a cross, each with bezants, surrounded by a wide bordure with seven castles. The heraldic shield is framed by raised linear patterns.