Captain Marvel Adventures #105 comic book from Fawcett Publications
I love this cover!  While Shazam could make mincemeat of this dog, he still is scared.  The dog reminds me of a cross between Cujo and Marmaduke.

       

This is a scan of an old comic book. This item is not for sale. But you can find it on ebay.
Click below to go to ebay and search!