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  • Item #49242127
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
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    $1,400.00
    or Best Offer
    • CGC Signature Series
    • Paper: White
    • Signed by Stan Lee on 05/03/2018.
    • Label #1406030013
    • This is a consignment item. A 3% buyer's premium ($42.00) 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). Cover price $0.40.

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

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

  • Item #60550886
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    • Paper: White
    • Label #2086770020
    • This is a consignment item. A 3% buyer's premium ($14.25) 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). Cover price $0.40.

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

    363 MyComicShop users have this issue on their want list.
    15 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
    $575.00
    or Best Offer
    • Paper: White
    • Label #3784712020
    • This is a consignment item. A 3% buyer's premium ($17.25) 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). Cover price $0.40.

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

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

  • Item #61550125
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    • Paper: White
    • Label #1999638012

    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). Cover price $0.40.

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

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

  • Item #61600783
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    • Paper: White
    • Label #4471329017
    • This is a consignment item. A 3% buyer's premium ($11.25) 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). Cover price $0.40.

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

    363 MyComicShop users have this issue on their want list.
    15 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
    $950.00
    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 ($28.50) 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). Cover price $0.40.

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

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

  • Item #59650478
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    • Paper: White
    • Witnessed Signature: Jim Shooter on 2/26/2022. Direct Edition
    • Label #22-0F6BDE3-012
    • This is a consignment item. A 3% buyer's premium ($3.75) 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). Cover price $0.40.

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

    363 MyComicShop users have this issue on their want list.
    15 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
    • 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). Cover price $0.40.

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

    363 MyComicShop users have this issue on their want list.
    15 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
    • 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.

    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). Cover price $0.40.

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

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

  • Item #61728976
    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- 7.5

    1st app. Mutant X (Proteus)
    Starts Later today

    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). Cover price $0.40.

  • Item #58404431
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover
    • CBCS Authentic Signature
    • Paper: White
    • Witnessed Signatures: Jim Shooter on 9/25/2021 & Chris Claremont on 10/8/2021. Newsstand Edition.
    • Label #22-0692A42-578
    • This is a consignment item. A 3% buyer's premium ($3.45) will be charged at checkout.
      Other items consigned by Saddle River Comics

    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). Cover price $0.40.

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

    363 MyComicShop users have this issue on their want list.
    15 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
    • Paper: Off white to white
    • Newsstand Edition
    • Label #4357813019
    • This is a consignment item. A 3% buyer's premium ($1.80) 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). Cover price $0.40.

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

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

  • Item #61797505
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
    Zoom Back Cover

    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). Cover price $0.40.

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

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