Salvi, Matteo - Autograph Letter Signed

Italian composer of opera (1816-1887) and classical music, and a theatre director. 

Autograph bifold letter signed by him with his letterhead on page 1, written in Italian (sold untranslated), no year.  Each page's size is 5.6 x 9 inches, 4 pages, small loss of paper over the upper border, spotted rust, in overall very good condition.