Signed photograph of the important virtuoso violinist, Paganini's only pupil, who introduced Mendelssohn's Violin Concerto in England in 1827 at age 12, collaborated with Liszt and composed virtuoso arrangements of many works. He has inscribed the portrait photograph (translated from the French): "To my excellent friend Lauwers / Souvenir of Camillo Sivori / Paris, December 4, 1879." Slightly irregularly trimmed, with overall toning; otherwise in fine condition. 4 x 6.5 inches (10 x 16.3 cm).