'Louis I, Prince of The Asturias, King of Spain', 1717. Artist: Michel-Ange Houasse [Getty Images]

'Louis I, Prince of The Asturias, King of Spain', 1717. (Photo by Art Media/Print Collector/Getty Images) — see more

'Louis I, Prince of The Asturias, King of Spain', 1717. (Photo by Art Media/Print Collector/Getty Images)

Hulton Archive Print Collector