Watch List notes:

BRAZIL, Colonial. Joao VI. As king of Portugal, 1816-1822. AR 960 Réis (41mm, 26.67 g, 12h). Rio de Janeiro mint. Dated 1820 R. Crowned value and date within wreath / Coat-of-arms over armillary sphere set on cross pattée. Gomes 25.11; KM 326.1. VF, toned. Overstruck on a Potosí mint 8 Reales of Carlos III, dated 1781 PR (KM 55.

From the J. Herbert Collection.