The private comic collection of Spider-Man co-creator Steve Ditko is being auctioned off.

PBA Comics, a division of PBA Galleries, has announced its "The Spidey Sale" auction being held on Dec. 8, featuring Ditko's personal comics that have never been publicly sold before. The collection includes some high-value issues for Spider-Man fans and collectors, such as the character's first comic appearance and the debut issue of his solo title, The Amazing Spider-Man. Each book auctioned off comes with a certificate of authenticity signed by Ditko's brother, Patrick Ditko, and has been certified by the Certified Guaranty Company (CGC) as "From the Collection of Steve Ditko."

Ditko co-created Peter Parker, aka Spider-Man alongside writer and Marvel icon Stan Lee in 1962.

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