FRENCH: (1814-1815) 1st Reign. King Louis XVIII London Mint 1815 Gold 20 Francs. One Year Type struck during his King's Exile in England Scarce. Mintmark R is London Mint struck at Royal Mint. Obverse: Head of King's Bust facing Right. Legend: LOUIS XVIII ROI DE FRANCE Reverse: Crowned Shield of France with Olive Branches on each side, Mintmark R on bottom right. Edge Letting: DOMINE SALVUM FAC REGEM