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:  The sapphire itself was mined in Burma (now Myanmar, and was purchased by the Countess in Sri Lanka in 1926 during her honeymoon with Harrison Williams. 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