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 Day of the Prince, by Frank Hilton, Royal Court Theatre, London, started 13th May 1963 and click the button that will have appeared there.

If they have the exact same name, a search for production of Day of the Prince, by Frank Hilton, Royal Court Theatre, London, started 13th May 1963 will probably help.