THE YEAR WAS
"The Disappearing Mine-Layer Plans"
Written by Bill Parker(writer), C. C. Beck(artist)
From Whiz Comic #2 - Secret plans for the Navy's mine-laying operations are in Admiral Corby's residence and the Mask sends henchmen to get it, also planning on killing him. Spy Smasher plans on stopping them.
Here are the pages I have of it.