Detective Comics #45 (1940) value

The Detective Comics #45 (1940) comic book has a used resale value of $1,500, based on real eBay sold comparisons [1]. This issue is historically significant as it features the first appearance of Batman's sidekick, Robin. Factors like condition, originality, and provenance can greatly influence its value. If you're considering selling or buying, compare it with current live eBay listings to gauge the market.