Restoring a grill? repairs and paint?

Hi all,
hate raising up a "necro-thread" but didnt want to start an all new one. I would like to touch-up paint my '70 Swinger grill, especially this passenger side headlight trim. I think the black vertical slats should be semi-gloss black, no? (I'm going to refinish the black on that turn-signal bezel too cause the flat black the previous owner used just looks too dull to me). Is there a good-matching argent silver spray can available for this discolored/ faded area below the headlight? Is wheel paint still the best option? Thanks in advance!

Dart light.jpg