H.R.H The Duke of Saxe-Coburg & Gotha, 1908. Portraits of European Royalty, Wills's Cigarette Cards, Bristol & London. (Photo by The Print Collector/Print Collector/Getty Images)

H.R.H The Duke of Saxe-Coburg & Gotha, 1908. Portraits of European Royalty, Wills's Cigarette Cards, Bristol & London. (Photo by The Print Collector/Print Collector/Getty Images)