When did the former wife of Graf von Bismarck-Schönhausen donate a piece to the Smithsonian she purchased on her honeymoon with a different man?
Bismarck Sapphire Necklace:  It is named after Countess Mona von Bismarck, who donated the piece to the Smithsonian in 1967. Mona von Bismarck:  Her five husbands included Harrison Williams, said to be the richest man in America, and the Graf von Bismarck-Schönhausen, grandson of German Chancellor Otto von Bismarck.
i don't know