Cinderella. This blue monochrome image makes for an ineffective poster. The Prince watches from the top of the steps as Cinderella flees down them. At the Scala Theatre, Boston in Lincolnshire on 20th March ? ?Mr Frederick Mantell presents his Specially Selected London Company in the phenomenally Successful ?Pocket? Pantomime?. ?Pocket? because of the modest venue, which had to wait till March for its pantomime.