Great Britain
William & Mary 1/2 Crown 1691 AU50 NGC, KM477, S-3436, ESC-850 (prev. ESC-516). TERTIO edge. Modestly circulated and long-since toned to a deep steel-gray, with residual argent luster expressed underneath this veil of age against mild traces of iridescence. The single finest example of this variety certified by NGC to date.
https://coins.ha.com/itm/great-britain/william-and-mary-1-2-crown-1691-au50-ngc-/p/3093-25001.s?type=DA-DMC-CoinArchives-WorldCoins-3093-10282021
HID02906262019
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Estimate: 800-1200 USD