Weber, Carl Maria Von. (1786-1826) Autograph LetterAutograph letter signed ink, "Weber", Prague, April 19, 1815. 1 page, address on verso, to the dilettante soprano, Friederike Trke (born Krause). A charming letter penned during the young composer's tenure as director of the Opera in Prague (1813 1816) in which the composer begins by stating that although [the piano maker Franz Heinrich Kisting (1769 1853)] "is to be seen as a living letter from me, I can't help but add at least a few words," and that