
it was found metal detecting in the same area the half dime, pocket watch, and a flat button with backmark Lewis &Tomes were found on Wednesday.No idea of age, but context of find may help determine this, but possibly 1840 to 1880.
Where and how was it found?
Wikipedia has an interesting column on "Eugenie Emperatrice des Francais", Eugenie wife of Napoleon III, Empress of France.
Could have been a medal to celebrate her marriage in 1853 to Napoleon III of France.