Showcase #20 (1959)

What happens when you combine time travel, prehistoric beasts, and a dash of adventure? You get Showcase #20, featuring the origin and first appearance of none other than Rip Hunter himself.

In "PRISONERS OF 100 MILLION B.C.," Rip and his trusty sidekick Jeff Smith take a test run of their impressive Time Sphere II, transporting themselves all the way back to the Mesozoic era. But things take a turn for the dangerous when their friends Corky and Bonnie are threatened by a towering dinosaur set on making them its next meal.

This issue sees Rip embarking on a nail-biting mission to not only protect his friends but also ensure that they all make it back to present-day in one piece. With thrills and spills at every turn, "PRISONERS OF 100 MILLION B.C." is a must-read for any comic book lover.

If you happen to have Showcase #20 in your collection, don't hesitate to get in touch with Comics Into Cash. Our team of knowledgeable experts will be happy to provide a free appraisal so you can discover the true value of this exciting and rare issue. And if you decide to sell your collection to us, we guarantee to offer you a fair and honest price. Get in touch today to start the process!