Brazil, João VI (1816-1825), 960 Reis, 1821/0 B, Bahia, Overstruck on a Mexico colonial 8 Reales, crowned denomination within wreath, rev. shield on globe, cross potent behind, security edge, 12h, 26.71g (KM 326.2), rubbed to highest points, hairline die flaw through obverse field, otherwise with dark grey surfaces, near very fine.
Estimate: £80 - £120