Heller, Stephen - Autograph Letter Signed

Hungarian pianist and composer (1813-1888) and teacher; a close acquaintance of many famous romantic composers of his time, such as Berlioz, Chopin and Liszt. 

Autograph letter in French signed by him, no date. Size is 4.1 x 5 inches, 3 written pages in 1 folded sheet, in excellent condition.