France
Republic gold Proof Piefort 50 Francs 1975 PR66 Ultra Cameo NGC, Paris mint, KM-P537, Obv. Hercules group. Rev. Value in wreath, with date below. A spectacular gold rendering of the familiar "Hercules Group." The appearance is much nicer than the stated grade, with superb cameo and surfaces free of flaws. The flaws that one might note in the images are from scratches on the holder. Very rare, with a mintage of only 74 pieces. AGW 3.28 oz.
Estimate: 4500-5500 USD