Gilbert, W.S. (1836-1911) The Pirates of Penzance - SIGNED LibrettoA highly uncommon signed libretto from the English dramatist and librettist best known for his 14 comic operas written in collaboration with composer Arthur Sullivan. 32 pp. Boldly signed "W. S. Gilbert" in brown ink at the head of the title page. Original fragile printed paper wrappers slightly chipped but generally in remarkably well preserved condition with scattered foxing throughout. With no copyright statement and with page 13 (third from last