This. Check out grafxwerks. They make color matched stickers that'll cover those holes.We rivet all the front plate brackets on during the PDI. You will have to drill the head of them off. But there will be a 1/4" hole behind each one.
Funny aside, although it wouldn't work with these cars. When I lived in VA the state law said the plate has to be within 15 inchs of the front of the vehicle. And a number of f-body guys found you could mount the front plate, folded over to the front plastic air dam while still displaying the registration decals and lettering. And it was all perfectly legal.Me to, I'm from Missouri and we are required to have a front plate. But I've never put one on any of my cars and the cops really never bother me about it.