Thanks for helping improve the accuracy of the site. We’ve noted what item you were on; please now visit the web page of the duplicate of production of The Black Mikado, by W S Gilbert and Arthur Sullivan, Cambridge Theatre, London, 24^th April 1975 – June 1976 and click the button that will have appeared there.

If they have the exact same name, a search for production of The Black Mikado, by W S Gilbert and Arthur Sullivan, Cambridge Theatre, London, 24^th April 1975 – June 1976 will probably help.