Brass Zippo lighter rapidly vintaged

We will go hiking right now, but super last minute Manfred from Feinschmuck gave me a first sample of step one for making a special Zippo. The patina of the brass looks like not well treated parts on a ship in saltwater conditions (Or as Eric once said “angeranzt“). This is only step one, we are still brainstorming what motive shall be included on one of the sides of the Zippo. Suggestions are welcome!

Check also the previous Zippo – untouched.