A CGC 7.0 with off-white pages copy of Detective Comics #27 went for $1.5 million, with buyer's premium, at the Heritage Comics & Comic Art Signature Auction in Dallas, Texas on November 19.  It passed the million dollar mark with three days to go (see "'Detective Comics' #27 Passes Million Dollar Bidding Mark at Heritage Auctions with Three Days Left").

This is the highest price ever realized for any copy of Detective Comics #27, surpassing the sale of a CGC 8.0 graded copy for $1.07 million back in 2010 (see ""Bats Beats Supes").  At $1.5 million, this copy of Detective Comics #27 now ranks as one of the highest realized prices for a collectible comic book.  It joins the company of  Action Comics #1 (three copies at over $2 million, at least one other at $1+ million (see "'Action Comics' #1 CGC 8.5 Sells for Record Sum"), and passes an Amazing Fantasy #15 which sold for $1.1 million in 2011 (see "'Amazing Fantasy' #15 sells for $1.1 Million").