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 The Magic Flute, by Emanuel Schikaneder, Sadler’s Wells Theatre, London, 1939 – 1940 and click the button that will have appeared there.

If they have the exact same name, a search for production of The Magic Flute, by Emanuel Schikaneder, Sadler’s Wells Theatre, London, 1939 – 1940 will probably help.