Issue: #230
Last valuation update: 2025-09-26
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First appearances: Mad Hatter
Creators: Bill Finger, Sheldon Moldoff, Ruben Moreira, Charles Paris, Winslow Mortimer, Joe Samachson, George Roussos, Joe Certa, Jack Schiff
Characters: Batman, Dick Grayson, Martian Manhunter, Karen Duncan, Binky Biggs, Mad Hatter, Captain Harding, Roy Raymond