A CGC certified 6.0 copy of Showcase #22 with off-white to white pages received 38 bids before selling for $3,250 on eBay. This key Silver Age comic book featured the origin and first Silver Age appearance of the Green Lantern. The most recent CGC Census notes a total of 215 copies of Showcase #22 certified with two copies tied as the highest graded copies grading 9.0.