Batman comics auction expected to yield USD 500,000

'Batman 1', featuring the first-ever appearances of the iconic characters - Joker and Catwoman, is up for auction at Heritage Auctions' Comic and Comic Art Auction next month.

Currently, 'Batman 1' is the sixth most-valuable comic book of all time, and features cover art by legendary illustrators Bob Kane and Jerry Robinson, reported the Huffington Post.

The sale also features Frank Miller's black-and-white cover art for 'The Dark Knight Returns 2', combining the now iconic storyline with Miller's signature grit.

Heritage Auctions' Vintage Comic and Comic Art Auction takes place from August 1 to August 3 in Dallas, Texas.