France
Republic gold Proof Piefort 50 Francs 1975 PR65 Ultra Cameo NGC, Paris mint, KM-P537. Mintage: 74. Perhaps conservatively graded for this iconic type struck in commemoration of the engraving of Dupre, with notably few disturbances over essentially jet-black surfaces that pair nicely with thickly frosted devices.
https://coins.ha.com/itm/france/france-republic-gold-proof-piefort-50-francs-1975-pr65-ultra-cameo-ngc-/a/3088-33098.s?type=CoinArchives3088
HID02906262019
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Estimate: 6500-7500 USD