CGC 5.0 OW PGS... Adventure Comics #300 CGC 5.0 OW KEY Legion of Super-Heroes begins! COMBINE AS MANY ITEMS AS YOU LIKE FOR THIS RATE. TRACKED MAILING TIME TO THE U.YOU ARE ALWAYS FULLY COVERED IF LOST OR DAMAGED. THANKS IN ADVANCE FOR YOUR PATIENCE. Auctiva offers Free Image Hosting and Editing. The item "Adventure Comics #300 CGC 5.0 OW KEY Legion of Super-Heroes begins! DC Superboy" is in sale since Sunday, May 16, 2021. This item is in the category "Collectibles\Comic Books & Memorabilia\Comics\Comics & Graphic Novels". The seller is "kid_eh" and is located in Kitchener, Ontario. This item can be shipped to United States, Canada.