Possible Clues:

• Exhibit western epic shot in Oxford, say
• Wife visiting store that is church's main feature
• Prize exhibit women kept in store that is next to church
• Song from revue? That's a good example
• Theatrical part that's particularly fine, for example
• Cats possibly given food by church? A fine example
• Doctor Who's gun, fine specimen of its kind
• Who's working still, we hear, to create the best exhibit?
• Whose epic, remade, is the best example of its type
• Item of work presented for display