patina

I found these skulls for 99 cents from Walgreen's after Halloween and knew I wanted to make my fence column tops out of them. Quick little photo to see the stages. I primed them and painted them antique copper and a quick patina and they are just what I wanted

I need some help for some chains I'm making from that black pipe insulation. I've got it all cut up into these great chain links and now I want to give it a nice 100 year old look. Would love for the finish to look like the chain had been sitting undisturbed for ages...dusty and rusted threw...