José Napoleón (1808-1814). 4 reales. 1810. Madrid. AI. (Cal 2019-14). Ag. 5,83 g. Restos de brillo original. EBC. Est...110,00. /// ENGLISH: Joseph Napoleon (1808-1814). 4 reales. 1810. Madrid. AI. (Cal 2019-14). Ag. 5,83 g. It retains some minor luster. XF. Est...110,00.