Detective Comics #604 Value Guide

Detective Comics #604 marks the beginning of 'The Mud Pack' storyline, a significant Copper Age arc that united multiple versions of the shape-shifting villain Clayface. This 1989 issue is highly collectible due to the atmospheric collaboration between writer Alan Grant and legendary artist Norm Breyfogle.

What affects the value of Detective Comics #604?

• The physical condition of the paper and ink, specifically looking for spine stress or corner blunting.
• The presence of a newsstand barcode versus a direct market graphic in the corner.
• The overall page color, with white pages commanding a premium over yellowed or tanned copies.
• The current market demand for Norm Breyfogle's signature dark, atmospheric Batman artwork.

How to Identify Detective Comics #604?

• Verify the September 1989 publication date on the indicia inside the front cover.
• Check for the distinctive cover art by Norm Breyfogle featuring Batman and the Clayface incarnations.
• Confirm the issue number #604 and the 'Part 1 of 4' subtitle for 'The Mud Pack' storyline.
• Look for the DC Comics logo and the 75 cent original cover price in the upper left corner.

History of Detective Comics #604

Published in September 1989, this issue began 'The Mud Pack' storyline which united the various incarnations of the villain Clayface. It features the iconic artwork of Norm Breyfogle and writing by Alan Grant, a duo celebrated for their dark, atmospheric contribution to the Batman mythos during the late 1980s.