20-franc gold coin of Louis XVIII, coin struck during his exile in 1815 in London, mint mark ‘R’. The dies were engraved by Thomas Wyon Junior after the original design by Pierre-Joseph Tiolier
20-franc gold coin of Louis XVIII, coin struck during his exile in 1815 in London, mint mark ‘R’. The dies were engraved by Thomas Wyon Junior after the original design by Pierre-Joseph Tiolier