This issue is a variant of Coup D'Etat: The Authority (DC, 2004 series) #1 [Whilce Portacio Cover].
Coup D'Etat was a company wide crossover event published by Wildstorm comics in 2004. The story ran across 4 issues, each featuring one of the major titles of the Wildstorm Universe at that time: Sleeper, Stormwatch: Team Achilles, Wildcats 3.0 and The Authority. It also included an Aftermath-issue including a preview to the second volume of Sleeper and a preview to the second volume of Wetworks.
This issue led into the events of The Authority: Revolution (Published by Wildstorm [Imprint of DC], 2004). The Authority created by Warren Ellis and Bryan Hitch.
Total of 9 one and two page advertisements for: Returner (DVD, Sony Pictures); Wrestlemania XX (Pay-Per-View event, World Wrestling Entertainment); Alias (game, Acclaim Entertainment/ABC Television Network); Jet Li: Rise to Honor (game, Sony Computer Entertainment); Van Helsing (movie, Universal Studios); Yeah Right! (DVD, Rhino Transport); Alienware (mobile hard drive, Alienware)
Sleeper: Out in the Cold (comic book, WildStorm); Wildcats Version 3.0 Full Disclosure (trade paperback, WildStorm); Coup D'Etat Afterword (comic book, WildStorm)