He didn't have a monocle in the original design.It does look like they just forgot to draw it in though.
therabbitbooks.wordpress.com/2012/07/11/the-code-of-the-woosters-by-p-g-wodehouse/
(,
Fri 21 Jun 2013, 22:45,
archived)
therabbitbooks.wordpress.com/2012/07/11/the-code-of-the-woosters-by-p-g-wodehouse/