The inaugural 1962 comic book to feature Spider-Man netted a superhero-sized $1.1 million, the US online auctioneers said Tuesday.
The copy of the Marvel comic book, in excellent condition, sold through ComicConnect.com with a cover that shows the spidery avenger - in his other life known as the meek Peter Parker - swinging from a high building with a man under his right arm.
Five decades ago, the comic went for just 12 cents.
The big sale has been bested only by the $1.5 million price reached for Superman's 1938 debut comic book last year. The 1930s to 1950s are seen as comics' golden age and surviving copies are keenly collected.
"The late 1950s and early 1960s are considered the Silver Age for comic books," said ComicConnect.com founder Stephen Fishler in a statement.
"People have often wondered how much this near-perfect condition book would sell for, and today we found out," Fishler said.
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