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 H M Tennent Ltd production of Who is Sylvia?, by Terence Rattigan, Criterion Theatre, London, Cambridge Arts Theatre, and other locations, 9^th October 1950 – 13^th October 1951 and click the button that will have appeared there.

If they have the exact same name, a search for H M Tennent Ltd production of Who is Sylvia?, by Terence Rattigan, Criterion Theatre, London, Cambridge Arts Theatre, and other locations, 9^th October 1950 – 13^th October 1951 will probably help.