Cowardy Custard is a musical revue and was one of the last Noel Coward shows staged during his life. It was devised by Gerard Frow, Alan Strachan and Wendy Toye. A book, also titled "Cowardy Custard", was published in connection with the revue, similarly celebrating the Coward image.

Can we draw the following conclusion?
Noel Coward's first show staged in his life was Cowardy Custard.
No