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.
Indicia says issue #1, cover says Four of Four.