An elite, investment-grade piece of Marvel history. This 1969 classic features a classic subterranean clash with the Mole Man, whose menacing machinery wraps the team on the cover. This particular copy is an extraordinary, pedigree-level piece certified under the CGC Signature Series, hand-signed by the legendary Silver Age embellisher Joe Sinnott on 5/17/19.

Adding to its extreme rarity, the label notes this copy features a Double Cover, with the 1st (outer) cover grading at a stunning 9.0 and the interior cover at a 6.5. Crafted by Stan Lee, Jack Kirby, and Joe Sinnott, this Off-White paged book is an absolute holy grail for registry set collectors and signature enthusiasts alike.