circa 1860: Empress Eugenie (1826 - 1920). Elliptical miniature in rectangular setting. The original is at Windsor Castle. Original Artist: By Sir W K Ross. (Photo by Hulton Archive/Getty Images)

circa 1860:  Empress Eugenie (1826 - 1920). Elliptical miniature in rectangular setting. The original is at Windsor Castle. Original Artist: By Sir W K Ross.  (Photo by Hulton Archive/Getty Images)