Justice League Unlimited #21 Cover D Seb McKinnon Variant Compact CGC x JSA Authentication: Verified

CGC x JSA Authentication: Verified signature adds significant long-term value

their rival killer got started

Krypto the super-dog is known for getting into all sorts of trouble

Can Superman trust a man who's been listening to enemy whispers

Through the years you have seen Superman locked in titanic battles with the most bizarre villains in history

Justice League Unlimited #21 Cover D Seb McKinnon Variant Compact CGC x JSA Authentication: VerifiedESCAPE FROM POWERS PLANET! Guy Gardner has screwed up and now his Justice Gang is caught in the middle of a war between intergalactic powers to claim the powers of the Justice League! Meanwhile, the League divided over the villain amnesty rule is in tumult, with hero against hero!