Luxembourg 100 Francs 1964 Advent to the throne of Grand Duke Jean. Jean (1964-2000). Obverse: Portrait to the left of Jean (1921-); Grand Duke of Luxembourg from 1964 to 2000 surrounded by the legend and the signature of the engravers. Reverse: Crowned and quartered escutcheon with on quarter 1 and 3 the coat of arms of Nassau and on quarter 2 and 4 the coat of arms of Luxembourg; supported by two lions crowned and placed under the purple cloak surmounted by the royal crown; flanked by the year, initials of the engravers under the dexter lion; face value under the shield. The whole surrounded by an interior grentis by the legend. Edge Milled. Silver. KM-54. NGC MS 66+