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 Half a Sixpence, by Beverley Cross and David Heneker, Cambridge Theatre, London, 21^st March 1963 – 31^st October 1964 and click the button that will have appeared there.

If they have the exact same name, a search for production of Half a Sixpence, by Beverley Cross and David Heneker, Cambridge Theatre, London, 21^st March 1963 – 31^st October 1964 will probably help.