German States
Prussia. Wilhelm I gold Proof 20 Mark 1872-A PR63 NGC, Berlin mint, KM501. Beautiful in hand, the surfaces have toned to a soft, copper-gold color, while the raised features show sharp highpoint definition. Only mild handling observed, primarily on the obverse. An altogether flashy, conditionally scarce specimen, presently the only certified example of this date in Proof at NGC.
https://coins.ha.com/itm/german-states/prussia/german-states-prussia-wilhelm-i-gold-proof-20-mark-1872-a-pr63-ngc-/a/3085-31529.s?type=CoinArchives3085
HID02906262019
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Estimate: 1600-1800 USD