THE YEAR WAS
"The Hidden Skycraper Floor"
Written by Will Erwin(writer and artist)
Smash Comics #31 - Enemy agents are using a hidden floor near the top of a skyscraper as their headquarters. This includes the naughty femme fatale, Madame Doom. Somehow they use a plane overhead in their transmissions to Europe. Black X stops them.z
Here are the pages I have of it.