Portugal
João VI gold 6400 Reis (Peça) 1822 MS60 NGC, Lisbon mint, KM364. AGW 0.4228 oz.
https://coins.ha.com/itm/portugal/portugal-joao-vi-gold-6400-reis-peca-1822-ms60-ngc-/a/3083-32715.s?type=CoinArchives3083
HID02906262019
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Estimate: 700-800 USD