Autograph Letter Signed as Prince of Caramanico, probably a letter of diplomatic introduction. In Italian. 1 page 9 x 7½ inches, light toning at edges, otherwise good, legible but in need of translating. Palermo, February 1794. Francesco Maria Venanzio d’Aquino, Prince of Caramanico (1738-1795) was ambassador to London and Paris for the Kingdom of Naples and later viceroy of Sicily.