Watch List notes:

BRAZIL, Colonial. Joao VI. As king of Portugal, 1816-1822. CU 20 Réis (30mm, 4.83 g, 12h). Contemporary counterfeit of the Rio de Janiero mint. Dated 1822 R. Crowned denomination and date / Coat-of-arms on armillary sphere. Cf. KM 316.1 (for official issue). Brown surfaces. Near EF.