Tip Top Comics #7 (43)

In "The Markoff Professor Combine," Jim uncovers a dangerous secret when he learns that Tinker, the recently murdered man, had created a device worth millions—its plans hidden in the briefcase Bill stumbled upon. Written, drawn, and inked by Dick Moores, this 1939 mystery blends intrigue and suspense in a classic pulp-style tale. The cover, by Paul Berdanier, captures the story’s tense atmosphere with sharp, dramatic lines.