Legion of Super-Heroes #312 Mark Jewelers
This page covers the Mark Jewelers edition of Legion of Super-Heroes #312, published by DC and released June 1, 1984. The issue features artwork by Larry Mahlstedt. Values and details shown here apply specifically to this edition; first-print pricing and the complete cover gallery are on the main issue page.
Element Lad and Colossal Boy are chosen to work undercover as a Science Police officer after the Chief Zendak learns that someone tampered with the Science Police computer. Whomever is behind the tampering has been leaving blackmail threats and have carried out their threats when things haven't been paid out. The perpetrator leaves one final message, pay money or he will kill the President of Earth, Marte Allen: Colossal Boy's mother.
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