With its themes of espionage and apparent German spies this tale is probably an inventory story left over from the war years. By the time this issue appeared the war with Germany had been over for six to eight months. The artwork on this stories is "rougher" and not as well rendered as the other stories in this issue. Stylistically the art is reminiscent both in layout and basic drawing) of the late 1930s or early 1940s. It seems out of place in the post war era. This artwork was done by August Froehlich who also drew the Greybeard stories (CMJ #37-39). After a few stories Froehlich is gone from Captain Marvel Jr.