Detective Comics #15 (1938) worth

Detective Comics #15 (1938) is valued in the catalog at $1015.76 for a used copy [1]. As a foundational piece of comic history, its value is driven by its rarity and historical significance as one of the earliest appearances of Batman. To get a full picture, you can compare this sold value against the current live asking prices shown on the screen to see if it's currently priced above or below its typical market value.