Italian composer (1857–1919) best known for his operas, particularly the beloved repertoire staple ‘Pagliacci’ (1892). AMQS on an off-white 7 x 4.5 sheet. Leoncavallo pens three bars of music and lyrics to one of his works, noting at the top “Largo,” and signed under the quote, “R. Leoncavallo, London, 8 Sept. 1911.” A central vertical fold passing through first initial and some light adhesive remnant to two corners, otherwise fine condition. RRAuction COA.