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  • 2 CGC
  • Item #62041566
    Actual item pictured; not a generic image.
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    Sub-Mariner (1968 1st Series) #21 CGC 9.4
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart CGC 9.4 Add to cart
    $230.00
    or Best Offer
    • Paper: White
    • Label #0907316013
    • This is a consignment item. A 3% buyer's premium ($6.90) will be charged at checkout.

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    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #63111206
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Actual item pictured; not a generic image.
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    Sub-Mariner (1968 1st Series) #21 CGC 9.4
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart CGC 9.4 Add to cart
    $195.00
    or Best Offer
    • Paper: Off white to white
    • Label #4462244002
    • This is a consignment item. A 3% buyer's premium ($5.85) 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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    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #58542510
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Sub-Mariner (1968 1st Series) #21 FN 6.0
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart FN 6.0 Add to cart
    $30.00
    or Best Offer
    • This is a consignment item. A 3% buyer's premium ($0.90) will be charged at checkout. It has been graded by MyComicShop's experienced graders.
      Other items consigned by Mike'sRack

    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.



    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #60019417
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Sub-Mariner (1968 1st Series) #21 FN 6.0
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart FN 6.0 Add to cart
    $12.50

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #62191845
    Actual item pictured; not a generic image.
    Zoom Front Cover
    Sub-Mariner (1968 1st Series) #21 VG/FN 5.0
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart VG/FN 5.0 Add to cart
    $11.50

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #60026965
    Generic image: not a scan of the item in this listing.
    Sub-Mariner (1968 1st Series) 21
    Sub-Mariner (1968 1st Series) #21 VG+ 4.5
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart VG+ 4.5 Add to cart
    $5.30

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #60968556
    Generic image: not a scan of the item in this listing.
    Sub-Mariner (1968 1st Series) 21
    Sub-Mariner (1968 1st Series) #21 VG+ 4.5
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart VG+ 4.5 Add to cart
    $5.30

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #59250067
    Generic image: not a scan of the item in this listing.
    Sub-Mariner (1968 1st Series) 21
    Sub-Mariner (1968 1st Series) #21 Very Good
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart Very Good Add to cart
    $5.10

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #61121078
    Generic image: not a scan of the item in this listing.
    Sub-Mariner (1968 1st Series) 21
    Sub-Mariner (1968 1st Series) #21 VG 4.0
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart VG 4.0 Add to cart
    $5.10

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.

  • Item #58627644
    Generic image: not a scan of the item in this listing.
    Sub-Mariner (1968 1st Series) 21
    Sub-Mariner (1968 1st Series) #21 GD/VG 3.0
    Tags: Sub-Mariner
    Published Jan 1970 by Marvel.
    Add to cart GD/VG 3.0 Add to cart
    $6.10

    "Invasion from the Ocean Floor!" Script by Roy Thomas. Pencils by Marie Severin. Inks by Johnny Craig. Cover by Marie Severin and Johnny Craig. With Prince Namor trapped in Manhattan, Lady Dorma and Warlord Seth send the Atlantis attack fleet to rescue him! But the Sub-Mariner knows that the imperial fleet's arrival in New York Harbor will start a massive war with the surface people! And to make matters worse Seth blows the Horn of Proteus to summon giant sea creatures to join the attack! Oh my, does the Avenging Son have any hope of stopping all-out war? Cameo appearance by the Thing. 32 pages. Cover price $0.15.