Cuba, gold proof PIEFORT 50 pesos, 1990, Simon Bolivar, NGC PF 67 Ultra Cameo, extremely rare, ex-Rudman. KM-unl (281 for regular size). Nearly pristine but with faint polish lines in fields, only twelve pieces struck in extra thickness (piefort). NGC #4503129-029. Pedigreed to the Isaac Rudman numismatic cabinet.
($5,000-$7,500)