Robert, Archduke of Austria-Este (1915-1996): signed hand-written letter from the Archduke in Paris, dated 1 Janvier 1950 (should be 1951), to Paul, King of the Hellenes (1901-64, who ruled Greece 1947-64) asking if his brother Rodolpho who will be passing through Greece on his way to the Congo later that month, May pay a visit to King Paul. Together with the response from King Paul to Archduke Robert granting permission. (2 items)