Watch List notes:

(x) NGC AU Details | Portugal, Maria I (1786-1799), Peça of 6,400-Réis, 1792-R, Rio de Janeiro, incuse security edge, 14.05g, 1h (Gomes 33.08; JS M1.110; AI.O530; Fb. 87; KM 226.1), pierced, plugged and removed from a mount cleaned, otherwise residually lustrous, struck details a bolder very fine / very fine, in NGC holder, graded AU Details ~ Plugged (Cert. #6380986-009).

Estimate: £400 - £600