Brazil (Bahia mint), 6400 reis, Maria I and Pedro III, 1778-B, PORT.ALG. variety, encapsulated NGC AU details / surface hairlines. Russo-483a; KM-199.1. Variety lacking "ET" in legend and with mintmark notoriously re-engraved from R to B, the Bahia issues much rarer than Rio, very lustrous and wear-free, with light scratch on queen's neck. Pedigreed to the New England Collection.
Estimate: $2000 - 3000