France, Napoleon III (1852-1870 AD), Gold 20 Francs, 1859 BB, Strasbourg Mint, Obv: bare bust facing right, legend around "NAPOLEON III EMPEREUR", Rev: value "20 FRANCS" and the date in three lines surrounded by a laurel wreath, legend around "EMPIRE FRANCAIS", mintmark BB appears below the wreath, raised stars and legend on the edge, 6.5g, 21.26mm, (KM # 781), about extremely fine, Rare.