Up for sale is a rare vintage 1983 Legion of Super Heroes poster featuring artwork associated with Keith Giffen and Larry Mahlstedt, published by DC Comics. This is a great collectible piece showcasing classic 1980s DC comic book art, perfect for fans of the Legion or vintage comic memorabilia collectors. Details. Title: Legion of Super Heroes. Year: 1983. Publisher: DC Comics. Artists: Keith Giffen / Larry Mahlstedt. Type: Vintage Poster. Era: Bronze Age / Early 80s DC. Unused (never displayed) Condition Pre-owned vintage condition with visible wear. Keywords: legion of super heroes poster, dc comics poster 1983, keith giffen art, vintage dc comics poster, larry mahlstedt, comic book poster vintage, dc comics collectible, superhero poster rare.