Repainting My Front (Plastic) Grill

[HandyGuyNorth]

I would like to freshen up the front grill of my '73 Dodge Coronet. Would anyone know what is the silver stock colour I should be looking for and type that bonds to plastic?

I have heard that it might be "Argent Silver"?

Please advise on the correct colour, type and best place to purchase.

Thanks in advance.