I've got four(OEMs), that I have done a very professional job of installing NOS, GM '87 GN center emblems in. If you are interested: I'll get them out and take some pics. If so- E-mail me at soundman@indy.rr.com
I tried to take a couple better pics, but the camera batteries went dead. Will post better ones, later. I had four retainers, but one must have fallen out of the box, moving the stuff from storage last year. The caps are actually black, but the lighting........