What Are the Rarest and Most Valuable Comic Books in the World?By Matthew Loffhagen / June 18, 2019 ‘Showcase’ #22 The Silver Age Green Lantern’s debut isn’t nearly as rare. A relatively good copy of Hal Jordan’s first comic book appearance, “Showcase” #22, sold in 2017 for just shy of $150,000. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
