If I Were Queen (1922)

While studying in Paris, Princess Oluf of Kosnia (Andree LeJon) befriends an American girl, Ruth Townley (Clayton), and gives her a locket bearing her name and the royal coat of arms. When Ruth accidentally drops the locket off a balcony, it is returned by a handsome stranger. Back home in Kosnia, Oluf wants to get married, but her choice of mate is challenged by Valdemir, the ruler of a neighboring principality (Warner Baxter).