Adventure Comics #348 (September 1966)
Grade: FN/VF
Publisher: DC Comics
Writer: Jim Shooter
Artist: Curt Swan
Inker: George Klein
Cover Art: Curt Swan & George Klein

Silver Age DC key issue featuring Superboy and the Legion of Super-Heroes in “Target – 21 Legionnaires!”. This marks the first appearance of Dr. Regulus, one of the Legion’s most powerful and recurring foes.

Story Highlights:
• Superboy, Invisible Kid, and the Legion face the deadly Dr. Regulus
• Early Jim Shooter Legion story arc
• Classic Curt Swan and George Klein artwork
• Bright, sharp cover with strong colour retention
• Key Silver Age Legion of Super-Heroes villain debut

Beautiful presentation copy for its era — well-centred, bold reds, clean staples, and minimal spine stress. A standout mid-grade Silver Age key.

🚚 Shipping: Bagged, boarded, and shipped securely in protective mailers with tracking.

Redsters Comics – trusted UK dealer for Silver and Bronze Age DC keys.