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circa 1954: Princess Maria Pia with her fiance Prince Alexander of Yugoslavia at the Savoy Hotel. She is wearing her engagement ring on her right hand which is the custom in Yugoslavia. (Photo by Keystone/Getty Images)

circa 1954:  Princess Maria Pia with her fiance Prince Alexander of Yugoslavia at the Savoy Hotel. She is wearing her engagement ring on her right hand which is the custom in Yugoslavia.  (Photo by Keystone/Getty Images)