There isn't much to say here, but if you look at the attached image, there are real COG TAGS out in the wild some place straight from Gears of War. Drooooooooool!!
Full Size Image
[UPDATE: 10.06.08] Well folks, it looks like the COG Tag seen above was used as a promotional item during the E for All event. Check out the explanation over at BreakingTheGame.com. Thanks for the update!