| Challengers of the Unknown #2 xGrade: FN Page Quality: OW6th Challengers Issue, June Robbins (Called June Walker & Atomic Beast App. (Rocky Davis, Prof Haley, Ace Morgan, Red Ryan) Sci Fi Cover 7/59 J.Kirby Cover & Art | $300.00
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| Challengers of the Unknown #2 xGrade: FN/FN+ Page Quality: OW6th Challengers Issue, June Robbins (Called June Walker & Atomic Beast App. (Rocky Davis, Prof Haley, Ace Morgan, Red Ryan) Sci Fi Cover 7/59 J.Kirby Cover & Art | $350.00
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| Challengers of the Unknown #9 xGrade: VG+ Page Quality: OW/COW2 Challengers Sci Fi Stories 9/58 B.Brown Cover & Art W.Wood Inks | $58.00
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| Challengers of the Unknown #10 xGrade: F/VF Page Quality: OWWMt. Rushmore Type Cover, Giant Robot Hand Cover 11/59 B.Brown Cover & Art | $125.00
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| Challengers of the Unknown #11 xGrade: G/VG to VG- Page Quality: OW/COW"Creatures from the Forbidden World' Story, Gray Tone Cover 1/60 B.Brown Cover & Art | $58.00
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| Challengers of the Unknown #18 xGrade: VF- Page Quality: OWWJune Robbins App. Cosmic Creatures Story 3/61 B.Brown Cover & Art | $70.00
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| Challengers of the Unknown #20 xGrade: VG Page Quality: OW2nd Multi-Man App. Near Last 10c Issue 7/61 B.Brown Cover & Art | $28.00
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| Challengers of the Unknown #25 xGrade: VF+ Page Quality: OWWJune Robbins & Cosmo App. Alien Sci Fi Cover & Story 5/62 B.Brown Cover & Art | $105.00
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| Challengers of the Unknown #26 xGrade: FN+ Page Quality: OWJune Robbins App. Alien Sci Fi Cover & Story 7/62 B.Brown Cover & Art | $40.00
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| Challengers of the Unknown #27 xGrade: NM- Page Quality: OWW Census: 1 in 9.6 - 1 in 9.4 - 3 in 9.21st Volcano Man App. 9/62 B.Brown Cover & Art | $225.00
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| Challengers of the Unknown #28 xGrade: FN++ Page Quality: OWWJune Robbins App. Egyptian Cover 11/62 B.Brown Cover & Art | $45.00
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| Challengers of the Unknown #35 xGrade: VF- Page Quality: OWWMoon-Beast, June Robbins App. 2 Sci Fi Stories 1/64 B.Brown Cover & Art | $50.00
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| Challengers of the Unknown #35 xGrade: VF/NM Page Quality: OW/COW Pedigree: Big Apple CopyMoon-Beast, June Robbins App. 2 Sci Fi Stories 1/64 B.Brown Cover & Art | $105.00
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| Challengers of the Unknown #39 xGrade: F/VF to VF- Page Quality: OWWMadame Zaddum, Sons of the Challengers & June Robbins App. Computer Cover 9/64 B.Brown Cover & Art | $40.00
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| Challengers of the Unknown #41 xGrade: 9.2 Page Quality: OWW Pedigree: Rocky Mountain Copy Census: 2 in 9.6 - 2 in 9.4 - 3 in 9.2Quadruple Man App. 1/65 B.Brown Cover & Art - This CGC Comic Has Been Cracked Out | $120.00
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| Challengers of the Unknown #42 xGrade: 9.4 Page Quality: OWW Pedigree: Rocky Mountain Copy Census: 1 in 9.8 - 4 in 9.6 - 5 in 9.41st Challenger-Haters App. (Multi-Man, Drabny, Dra & Volcano Man) Robot Cover 3/65 B.Brown Cover & Art - Comic is Cracked Out of CGC Case | $165.00
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| Challengers of the Unknown #45 xGrade: VF+ Page Quality: OWWLeague of Challengers-Haters (Multi-Man, Volcano Man, Kra, Drabny & 1st Multi-Woman) & Pres. LBJohnson App. Robot Cover 9/65 B.Brown Cover & Art | $65.00
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| Challengers of the Unknown #46 xGrade: F/VF Page Quality: OWW Pedigree: Boland Brothers CopyGargoyle App. Bell Tower Cover 11/65 B.Brown Cover & Art W.Wood Inks | $35.00
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| Challengers of the Unknown #47 xGrade: NM/NM- Page Quality: OW/COW Pedigree: Big Apple Copy Census: 1 in 9.8 - 3 in 9.6 - 8 in 9.4Sponge Man App. 1/66 B.Brown Cover & Art | $130.00
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| Challengers of the Unknown #55 xGrade: VF/VF- Page Quality: WhiteLeague of Challengers App. Death of Red Ryan, Cemetery Cover 5/67 B.Brown Cover & Art | $50.00
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| Challengers of the Unknown #60 xGrade: NM- Page Quality: OW Census: 2 in 9.6 - 4 in 9.4 - 2 in 9.2League of Challengers Haters (Multi-Man, Kra, Volcano Man) App. Return of Red Ryan 3/68 B.Brown Cover & Art | $100.00
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| Challengers of the Unknown #60 xGrade: VF Page Quality: OWWLeague of Challengers Haters (Multi-Man, Kra, Volcano Man) App. Return of Red Ryan 3/68 B.Brown Cover & Art | $45.00
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| Challengers of the Unknown #61 xGrade: VF++ Page Quality: WhiteProf. Chang, Multi Man & Kra App. Solo Red Ryan Back Up Story, Robot Cover 5/67 B.Brown Cover & Art | $55.00
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| Challengers of the Unknown #61 xGrade: VF/NM Page Quality: OWW Pedigree: Marin County CopyProf. Chang, Multi Man & Kra App. Solo Red Ryan Back Up Story, Robot Cover 5/67 B.Brown Cover & Art | $60.00
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| Challengers of the Unknown #62 xGrade: 9.6 Page Quality: OW Census: 0 in 9.8 - 5 in 9.6Legion of the Weird (Mistress Vera Wycker, Count Karnak, Madoga, Hordred, Kaftu), Kra & Multi-Man App. Rocky Davis Origin, Pin-Up Page 7/68 B.Brown Cover & Art | $265.00
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