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Add to cart CGC 9.8 $1,100.00 or Best Offer CGC Signature Series Paper: White Signed by Roger Stern on 08/07/2018 and Chris Claremont on 03/23/2019. Label #1406032003 This is a consignment item. A 3% buyer's premium ($33.00) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.

Add to cart CGC 9.8 $495.00 Paper: White Label #4114077010 This is a consignment item. A 3% buyer's premium ($14.85) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.

Add to cart CGC 9.6 $110.00 or Best Offer Paper: Off white to white Label #0108600043 This is a consignment item. A 3% buyer's premium ($3.30) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.

Add to cart CGC 9.2 $94.00 Paper: White Label #4474948004 This is a consignment item. A 3% buyer's premium ($2.82) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.

Add to cart CBCS 8.5 $128.44 CBCS Authentic Signature Paper: White Witnessed Signature: Chris Claremont on 6/18/2023. Newsstand Edition. Label #23-211DCD8-033 This is a consignment item. A 3% buyer's premium ($3.85) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.

Add to cart CGC 8.5 $345.00 CGC Signature Series Paper: Off white to white Signed by Chris Claremont on 04/11/2023. Label #4233894016 This is a consignment item. A 3% buyer's premium ($10.35) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.

Add to cart CGC 7.5 $60.00 or Best Offer Paper: White Slab: Significant front/back scuff(s) Label #3957372017 This is a consignment item. A 3% buyer's premium ($1.80) will be charged at checkout.

Direct Edition. "How Sharper than a Serpent's Tooth...!" Part 1 of 3. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. Cover by Dave Cockrum and Terry Austin. The X-Men return to Muir Island to investigate the attack on Polaris and Havok. When they get there they find themselves in a deadly battle against arguably the most powerful and deadliest mutant alive - Mutant X! 1st appearance of Proteus. Cover price $0.40.