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  • 9 CGC
  • Item #60550886
    Actual item pictured; not a generic image.
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    Uncanny X-Men (1963 1st Series) #125D CGC 9.8
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 9.8 Add to cart
    $315.00
    • Paper: White
    • Label #2086770020
    • This is a consignment item. A 3% buyer's premium ($9.45) will be charged at checkout.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #60564486
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 9.8
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 9.8 Add to cart
    $325.00
    or Best Offer
    • Paper: White
    • Label #3784712020
    • This is a consignment item. A 3% buyer's premium ($9.75) will be charged at checkout.

    Make an offer

    You can buy this item by clicking "Add to cart" above and then completing checkout. Or, you may make an offer for this item. Once you make an offer, your offer is valid for 48 hours. The seller may accept your offer, decline your offer, or present you with a counter-offer. If the seller accepts your offer, you are required to purchase the item at the agreed upon price.

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    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64218777
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 9.8
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 9.8 Add to cart
    $326.00
    or Best Offer
    • Paper: White
    • Label #4678501005
    • This is a consignment item. A 3% buyer's premium ($9.78) will be charged at checkout.

    Make an offer

    You can buy this item by clicking "Add to cart" above and then completing checkout. Or, you may make an offer for this item. Once you make an offer, your offer is valid for 48 hours. The seller may accept your offer, decline your offer, or present you with a counter-offer. If the seller accepts your offer, you are required to purchase the item at the agreed upon price.

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    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64837212
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 9.8
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 9.8 Add to cart
    $324.99
    or Best Offer

    Make an offer

    You can buy this item by clicking "Add to cart" above and then completing checkout. Or, you may make an offer for this item. Once you make an offer, your offer is valid for 48 hours. The seller may accept your offer, decline your offer, or present you with a counter-offer. If the seller accepts your offer, you are required to purchase the item at the agreed upon price.

    More information about making an offer

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    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64860096
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 9.8
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 9.8 Add to cart
    $295.00
    • Paper: White
    • Label #4714931010
    • This is a consignment item. A 3% buyer's premium ($8.85) will be charged at checkout.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #49480623
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 9.6
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 9.6 Add to cart
    $865.00
    or Best Offer
    • CGC Signature Series
    • Paper: White
    • SIGNED BY STAN LEE ON 5/3/18.
    • Label #1323195002
    • This is a consignment item. A 3% buyer's premium ($25.95) will be charged at checkout.

    Make an offer

    You can buy this item by clicking "Add to cart" above and then completing checkout. Or, you may make an offer for this item. Once you make an offer, your offer is valid for 48 hours. The seller may accept your offer, decline your offer, or present you with a counter-offer. If the seller accepts your offer, you are required to purchase the item at the agreed upon price.

    More information about making an offer

    Please create an account or log in to make an offer.



    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64343160
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
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    Uncanny X-Men (1963 1st Series) #125D VF/NM 9.0
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart VF/NM 9.0 Add to cart
    $180.00
    • This is a consignment item. A 3% buyer's premium ($5.40) will be charged at checkout. It has been graded by MyComicShop's experienced graders.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64343161
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D VF+ 8.5
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart VF+ 8.5 Add to cart
    $162.25
    • This is a consignment item. A 3% buyer's premium ($4.87) will be charged at checkout. It has been graded by MyComicShop's experienced graders.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #56759682
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D VF 8.0
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart VF 8.0 Add to cart
    $175.00
    • This is a consignment item. A 3% buyer's premium ($5.25) will be charged at checkout. It has been graded by MyComicShop's experienced graders.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #61344349
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 7.5
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 7.5 Add to cart
    $165.00
    or Best Offer
    • CGC Signature Series
    • Paper: White
    • Signed by Chris Claremont on 4/11/23
    • Label #4233889019
    • This is a consignment item. A 3% buyer's premium ($4.95) will be charged at checkout.

    Make an offer

    You can buy this item by clicking "Add to cart" above and then completing checkout. Or, you may make an offer for this item. Once you make an offer, your offer is valid for 48 hours. The seller may accept your offer, decline your offer, or present you with a counter-offer. If the seller accepts your offer, you are required to purchase the item at the agreed upon price.

    More information about making an offer

    Please create an account or log in to make an offer.



    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64097243
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 7.0
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 7.0 Add to cart
    $80.00
    • Paper: Off white to white
    • Label #4646612004

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64137623
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D FN/VF 7.0
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart FN/VF 7.0 Add to cart
    $89.00
    or Best Offer
    • This is a consignment item. A 3% buyer's premium ($2.67) will be charged at checkout. It has been graded by MyComicShop's experienced graders.

    Make an offer

    You can buy this item by clicking "Add to cart" above and then completing checkout. Or, you may make an offer for this item. Once you make an offer, your offer is valid for 48 hours. The seller may accept your offer, decline your offer, or present you with a counter-offer. If the seller accepts your offer, you are required to purchase the item at the agreed upon price.

    More information about making an offer

    Please create an account or log in to make an offer.



    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64343163
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
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    Uncanny X-Men (1963 1st Series) #125D FN+ 6.5
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart FN+ 6.5 Add to cart
    $67.50
    • Water spots.
    • This is a consignment item. A 3% buyer's premium ($2.03) will be charged at checkout. It has been graded by MyComicShop's experienced graders.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64795031
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D FN 6.0
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart FN 6.0 Add to cart
    $42.50

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #60327456
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D CGC 5.5
    Tags: X-Men
    Published Sep 1979 by Marvel.
    Add to cart CGC 5.5 Add to cart
    $56.99
    • Paper: Off white to white
    • Newsstand Edition
    • Label #4357813019
    • This is a consignment item. A 3% buyer's premium ($1.71) will be charged at checkout.

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.

    If you add this item to your want list, we will email you when it becomes available.

    365 MyComicShop users have this issue on their want list.
    9 MyComicShop users have added this issue to their want list within the past six months.

  • Item #64848258
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    Uncanny X-Men (1963 1st Series) #125D FN- 5.5
    Tags: X-Men
    Published Sep 1979 by Marvel.

    Uncanny X-Men (1963 1st Series) 125D FN- 5.5

    1st app. Mutant X (Proteus)
    Starts Jun 8

    Direct Edition. As the cover says: the dramatic return of Phoenix! "There's Something Awful on Muir Island!" "...!" Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. First appearance of Mutant X (Proteus). 36 pgs. Cover price $0.40.