The Sapphire Necklace, or the False Heiress (completed by 1867, and at least mostly completed by 1864),[1] was the first opera composed by Arthur Sullivan. It was never performed, and most of the music and libretto are now lost.
^Bond, Ian; Farron, Jim; Howarth, Paul (2003). "The Sapphire Necklace". The Gilbert and Sullivan Archive. Retrieved 24 May 2012.