* There are multiple "World of Krypton" comics: There have been several different comics published under that title, each with its own value. Some examples include:
* "World of Krypton" (1999): A miniseries that explored Krypton before Superman's birth.
* "World of Krypton" (2011): A one-shot issue that focused on Kryptonian history and culture.
* "Action Comics #750: World of Krypton": A special issue with a storyline set on Krypton.
* Condition is crucial: The value of a comic book is heavily influenced by its condition. A pristine, uncirculated copy can be worth significantly more than one with wear and tear, creases, or missing pages.
* Rarity and demand: Some specific issues or editions might be more rare than others, driving up their value. Similarly, demand from collectors will affect the price.
* Grading services: Comic books are often graded by professional services like CGC (Certified Guaranty Company) or CBCS (Comic Book Certification Service). A high grade will increase the value.
To determine the value of a specific "World of Krypton" comic book, you'll need to:
1. Identify the specific issue: Find the title, issue number, year of publication, and any special editions or variants.
2. Assess the condition: Look for any signs of damage or wear and tear.
3. Check online marketplaces: Sites like eBay, ComicLink, and MyComicShop provide a good indication of prices for similar comics.
4. Consult price guides: Websites like Comic Book Realm and GoCollect offer price guides and sales data.
Remember, the price of any comic book can fluctuate based on many factors. It's always best to consult with a professional comic book dealer for a more accurate appraisal.