Weight Plate Refurbishing

I recently picked up some CAP iron plates.  I got them with some loadable dumbbell handles and figured it would be a good exercise in cleaning up plates.  I started with PB Blaster and then 3 in 1 oil.  After letting them dry, I touched up the lettering with a silver sharpie.  Not vintage, but I was quite pleased with myself.

While I am still a brand snob, I do not have any qualms with using these.  I would like to touch up the spots where the paint has flecked off to prevent the rust from coming back, but I will probably just stick to oiling them regularly.