Had a spare hour so, foolishly read this thread. It's to easy boys and girls they solved it. Circa 1953. From the immortal Goon Show..
Greenslade: You will find the answer to that question in the Radio Times, price thruppence. Three copper coins, mark you, and by jove, it has become so interesting I would much sooner settle down and read it than listen to the radio any day.
Mutters never, not ever again. 
Silly boy, buddy, silly.