This panel is from a classic golden age American comic book, likely dating back to the 1940s or 1950s. The scene is split into two parts, each depicting a dramatic moment.

In the left panel, we see a close-up view of a man's legs. He's wearing gray pants and black shoes, and his legs are positioned in an unusual way - one leg is bent at the knee, while the other is straight. The man's body is partially visible, showing a gray shirt and a white belt. The background is yellow with black lines, creating a sense of urgency or action.

The right panel shows a more expansive view of the same man. He's falling through the air, arms outstretched, with a determined expression on his face. Above him, we can see a speech bubble that reads, "THERE'S NOT A SECOND TO SPARE!"

In the upper right corner of this panel, there's a glimpse of another character - a red figure that appears to be Superman. We can see his iconic red suit and cape, though only partially. This suggests that the falling man is in a perilous situation, possibly needing Superman's help.

The overall composition of the panel, with its dynamic poses and dramatic text, creates a sense of tension and excitement typical of superhero comics from this era. The artist has skillfully captured a moment of high stakes and action, leaving the reader eager to see what will happen next.