Action Comics #252 CGC 6.0 KEY 1st Supergirl HOT! TV Show Golden Age DC Superman. Action Comics #252 is an amazing book from DC Comics’ golden age that is the first appearance of Supergirl (Kara Zor-El) and Metallo. This book has blown up recently thanks to the new TV show “Supergirl” on CBS. The book was given a 6.0 FINE by CGC and has off-white pages. Scroll Down For More Pictures Below…. CALL FOR ANY QUESTIONS. We take pride in packing all the orders we receive carefully. THIS IS NOT WHAT WE DO…. All orders, no matter what the price of the item, gets boutique professional packing treatment. Boxes will be able to be used unless discussed prior. INTERNATIONAL packages ARE NOT FREE! …. Some of these services are not the cheapest, but they are the fastest and safest. The shorter the time a package is in transit, the lesser the chance for a problem to occur. The item “Action Comics #252 CGC 6.0 KEY 1st Supergirl HOT! TV Show Golden Age DC Superman” is in sale since Saturday, September 24, 2016. This item is in the category “Collectibles\Comics\Silver Age (1956-69)\Superhero\Superman”. The seller is “sparklecitycomics” and is located in Middletown, New York. This item can be shipped worldwide.