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 Once Upon a Mattress, by Marshall Barer, Dean Fuller, Mary Rodgers, and Jay Thompson, Adelphi Theatre, London, 20^th September – 22^nd October 1960 and click the button that will have appeared there.

If they have the exact same name, a search for production of Once Upon a Mattress, by Marshall Barer, Dean Fuller, Mary Rodgers, and Jay Thompson, Adelphi Theatre, London, 20^th September – 22^nd October 1960 will probably help.