If you look closely, there's a bit more to them than that. Both the "Empire" and "Kink" decals have a faint image of a New York skyline running through them. Off the top of my head, one of those skylines is of a bridge. The seat tube decal has a faint image of the Statue of Liberty too.
I've been led to believe that the simpler, black and red decals that you see on other Empire frames are viable options. There's a dude on the Museum with a black gen 1 and he says he has had his from new and it came with these simpler decals. I'm going to exhaust the search on the earlier ones first though.