Watch List notes:

France, Louis XVIII (1814-1815), 20 Francs 1815 R (Londres) (Gold, 6.34 gr, 21 mm) Uniformed bust right LOUIS XVIII ROI DE FRANCE Rev. Crowned arms within wreath PIECE DE 20 FRANCS. The edge is inscribed DOMINE SALVUM FAC REGEM. Gadoury 1027, Le Franc 518. Very Fine.
In 1815 the British Government counterfeited the French Gold 20 Francs coin. They were made to pay troops stationed in France during the Napoleonic Wars. The British counterfeits has an 'R' mint mark and unusual reverse legend. Popular for its historic relevance.