What kind of finish is this?

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I had a guy email this picture and say he wanted another logo cut out with this same finish.  What all does it involve and what kind of time does it take to do it? I'm normally just a primer and paint it kinda guy...
Reply:Sorry Slump', if that was concrete I could tell you exactly; but I've never seen anything like that in metal unless it was hydrodippedLincoln SA 200Esab Caddy 160Thermal Arc 201TSMiller Dialarc HFI don't like making plans for the day because then the word "premeditated" gets thrown around the courtroom....
Reply:Bill with steel fx could tell you and supply you with the chemicals most likely.
Reply:Is the base metal copper ?  looks like some acid and other chemicals etching art kind of thing.  maybe enamels on copper.
Reply:Looks like copper plate and rainbow torch from http://metalfinishesplus.comIt's pretty cool stuffTeach Ag Mech - Mike At Home:Lincoln Electric AC225Miller Challenger 172Gas AxeWork:eclectic bunch of 90's vintage blue boxes
Reply:It is nothing like rainbow torch. I have done a lot of finishes, and I dont recognize it, at least not in metal finishes.
Reply:I've done similar finishes in mild steel, with muriatic acid sprayed/dripped on, then washed off & neutralized, with a wax or clear coat to seal. Sent from my iPhone using Tapatalk
Reply:Some of the blue/green tones can be produced with sulphuric "cold bluing" compounds made for gun work. Sent from my iPhone using Tapatalk
Reply:The owner of Mariah Metals is a friend of mine and I know he does some high end work in the city. He loves strange projects. http://mariahmetal.com/services.html I am sure you could give Ray a call and ask him. I know that he was heavy into patina years ago for unique handles and metal objects in fancy high rise buildings. There is no end to what you can do to any object with patina effects. https://search.yahoo.com/search?fr=m...+patina+copperTo me it looks like they did something like this latter video.                                      Sincerely,                                                    William McCormick