What is the most expensive Green lantern action figure?

It's impossible to say definitively which Green Lantern action figure is the most expensive, as prices can fluctuate wildly depending on factors like condition, rarity, and current market demand. However, here are some contenders for the title of most expensive:

* Limited Edition Green Lantern Figures: Many collectors seek out limited edition Green Lantern figures, especially those from older lines or with unique features. These can command very high prices.

* Vintage Green Lantern Figures: Figures from older lines, particularly those in excellent condition, can be extremely valuable.

* Prototype Green Lantern Figures: Prototypes or early production runs of Green Lantern figures are extremely rare and can fetch astronomical prices.

* Signed Green Lantern Figures: Figures signed by actors who played Green Lantern characters, artists who designed the characters, or other prominent figures related to the Green Lantern franchise can be highly sought after.

To get a better idea of current prices for specific Green Lantern figures, you should check online auction sites like eBay, specialized toy collector forums, and online marketplaces like Etsy. You can also consult with reputable collectors or dealers in your area.

Keep in mind that the "most expensive" Green Lantern figure is subjective and can change over time. It's also important to be cautious when purchasing expensive figures, as fakes and counterfeits exist.