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 Hornchurch Repertory Company production of Halfway Up the Tree, by Peter Ustinov, Queen’s Theatre, Hornchurch, 12th August – 3rd September 1969 and click the button that will have appeared there.
If they have the exact same name, a search for Hornchurch Repertory Company production of Halfway Up the Tree, by Peter Ustinov, Queen’s Theatre, Hornchurch, 12th August – 3rd September 1969 will probably help.