The Shadow's Secret Code Magazine Cover!

I found something that was pretty interesting!  On the cover of The Shadow magazine #65 (published on November 1, 1934) The Shadow discloses a secret code!

The secret code is on the left side of the cover in the white Chinese letters on the red banner.  How do we know it's a secret code?  Maxwell Grant, The Shadow's raconteur, was allowed to share it with the readers.  Here is the secret code as The Shadow revealed it to Mr. Grant:

It's little things like these that make me really enjoy reading The Shadow's adventures!  I wonder how many other codes and hidden gems I've overlooked as I've read the stories!