27 broke the record for the most valuable comic book when an 8.0-graded copy sold in 2010 for $1,075,000.The seller purchased the comic in the late 1960s for $100. As Robin might have said in the ...

And that’s why this comic book is so valuable, with a CGC 9.6 copy selling for an amazing $3,600,000, not only topping this list but holding the record for the most expensive comic book of all time.