It looks like the inside of the case has been painted silver and parts of the outside may have also been painted. Overall this appears to be in really good condition and does work.
It does show some signs of wear including scratches and scuff marks. The item "VINTAGE MILLS 10 CENT ROMAN HEAD SLOT MACHINE" is in sale since Tuesday, May 01, 2018. This item is in the category "Collectibles\Casino\Slots\Machines\Antique Coin Slot Machines". The seller is "bug-911" and is located in Brighton, Colorado. This item can be shipped to United States.