Action Comics #1

The next most expensive collectible in this list is the Action Comics #1. It is the first issue of the original run of the comic book/magazine series Action Comics. It was 10 cents (equal to $2 in 2021) and included the debut appearance of several comic-book heroes, most notably Jerry Siegel and Joe Shuster's Superman. It is widely regarded as the first superhero comic book and the most valuable comic book in the world. Before restarting its numbering in the fall of 2011, Action Comics ran for 904 numbered issues (plus additional out-of-sequence special issues). With issue #957, issued on June 8, 2016 (cover-dated August), reverted to its old numbering, and it hit 1,000 issues in 2018.

Action Comics #1 has set various comic book sales records. A copy of Action Comics #1 CGC Grade 8.0 sold for $1 million at auction on February 22, 2010, making it the first million-dollar comic book. Through ComicConnect.com, an anonymous vendor sold to an unknown buyer. Another copy was sold for US$1.5 million on March 29, 2010, making it the most expensive and valuable comic book of all time. The copy sold is the CGC's third highest-graded copy, with an 8.5 VF+ grade that Zurzolo described as "among the best-kept copies."

A copy graded 9.0 by CGC was sold on eBay for $3,207,852 USD on August 24, 2014, making it the first comic book to sell for more than $3 million for a single original copy.

Price: $3.2 million