Brazil
Maria I 640 Reis 1792-(L) AU53 NGC, Lisbon mint, KM222.1, LMB-353. A technically and visually commendable offering, blending a soft, clay-like patina with an undercurrent of pastel blue coloration. A balanced rim establishes a clean frame for the central features, which are uniform and sharply struck throughout, save for a trace of weakness in the obverse shield. The sole example of this issue certified by NGC.
https://coins.ha.com/itm/brazil/brazil-maria-i-640-reis-1792-l-au53-ngc-/a/3091-30064.s?type=CoinArchives3091
HID02906262019
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Estimate: 2000-2500 USD