Great Britain
William IV gold Proof 1/2 Sovereign 1831 PR63+ Ultra Cameo NGC, KM716, S-3830, W&R-267 (R3). Highly satiny across sleek devices, with pure sun-gold brightening the fields at every turn. A dispersal of friction in the open areas establishes the grade designation, while the fields beam with reflectivity that easily contrasts with the frosted features to result in the assigned Ultra Cameo designation.
https://coins.ha.com/itm/great-britain/great-britain-william-iv-gold-proof-1-2-sovereign-1831-pr63-ultra-cameo-ngc-/a/3099-30239.s?type=DA-DMC-CoinArchives-WorldCoins-3099-05052022
HID02906262019
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Estimate: 5000-6000 USD