Portugal
Alfonso VI Counterstamped 250 Reis ND (1663) AU50 NGC, Lisbon mint, KM434.1, Gomes-42.03. C/S (AU Strong). Type III countermark. Counterstamped upon earlier 200 Reis (KM434.1). An excellent type representative boasting an attractive age-old tone.
https://coins.ha.com/itm/portugal/portugal-alfonso-vi-counterstamped-250-reis-nd-1663-au50-ngc-/a/61181-97134.s?type=CoinArchives61181
HID02906262019
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Estimate: 800-1200 USD