It's interesting posting images of a member, by marriage, of the family that brought us the postal service using a tool that may put postal services out of business.
Her Wikipedia article is here. The Alexander Palace Time Machine Discussion Forum has a topic about Albert and Margarethe here. Her mother was Archduchess Clotilde. Her sister Maria Dorothea can be seen here.

1889 Archduchess Margarethe Klementine of Austria and fiance, Albert, 8th prince von Thurn und Taxis
