France, Napoleon III, 1861, Gold 20 Francs, Obv. Head of Emperor Napoleon III with wreath facing right and around lettering is " NAPOLEON III EMPEREUR BARRE" (Translation: Napoleon III Emperor), Rev. Coat of arms of France, and the lettering is " EMPIRE FRANÇAIS 20 FR 1868 BB (looking like B over B) As a mint mark Strasbourg, France, 6.44grams, AUNC.