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 Hampstead Theatre Club production of Happy Family, by Giles Cooper, Hampstead Theatre, London, 10^th May – June 1966 and click the button that will have appeared there.

If they have the exact same name, a search for Hampstead Theatre Club production of Happy Family, by Giles Cooper, Hampstead Theatre, London, 10^th May – June 1966 will probably help.