Detective Comics #18 worth

Detective Comics #18 (1938) is an extremely valuable piece, with a used sold value listed at $13900 [1]. This is significantly more valuable than the other issues listed, which range from under $300 to just a few dollars. The value of these comic books is heavily driven by the rarity and age of the specific issue, with the 1938 #18 being a major key issue. You can compare the current asking prices against these sold values on the screen to see what they are currently listed for.