[Henry VIEUXTEMPS]. Maximilian of BAVIÈRE (1808-1888) duke in Bavaria, father of Sissi. L.A.S., 24 June 1850, to Henry Vieuxtemps; 1 page in-4 with his crowned cipher, address on the back; in German. Knowing Vieuxtemps to be in Brussels, he warmly recommends young Walter, whose father has been playing for several years in his House; King Ludwig II of Bavaria has bought him an instrument. He asks Vieuxtemps to recommend him to Professor Charles de Beriot, under whose guidance he can only improve. He hoped that Vieuxtemps would soon return to Munich, where his great talent and charming personality had left a lasting impression...