BRAZIL, Colonial. Joao VI. As king of Portugal, 1816-1822. AR 960 Réis (40mm, 27.20 g, 12h). Rio de Janeiro mint. Dated 1821 R. Crowned date and denomination within wreath / Armillary sphere set on cross pattée. KM 326.1. Lightly toned. Good VF. Overstruck on a Peruvian 8 Reales dated 1819 (LIMA) JP.