Portugal
João VI copper Proof Pattern 10 Reis 1820 PR64 Brown NGC, Lisbon mint, KM-Pn51, Gomes-E1.01. A fleeting Pattern type that proves elusive in all states, yet all the more desirable when located with as exquisite visual appeal as is seen in this near-gem example. Deep mahogany surfaces define the aesthetic character of the piece, with chocolate-brown highlights gripping the legends, crown, and prominently positioned shield.
https://coins.ha.com/itm/portugal/joao-vi-copper-proof-pattern-10-reis-1820-pr64-brown-ngc-/p/3093-1017.s?type=DA-DMC-CoinArchives-WorldCoins-3093-10282021
HID02906262019
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Estimate: 800-1200 USD