Challengers of the Unknown #18

DC     March, 1961

1st Appearance of Cosmo (Challengers of the Unknown’s Pet)

The Menace of Mystery Island; cartoon: Professor Eureka; Flight Without End (text); The Doomed World of Tomorrow; Robbie the Robot

 Henry Boltinoff

Lowest Price: $15.00

2 copies from $15.00 to $80.00
SellerPriceNotes
Fine  
United States kdevine $80.00  
   
Poor  
United States CapCoComics $15.00 1st Appearance of Cosmo (Challengers of the Unknown’s Pet); Coverless but complete
   
      


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