I have no idea what the metal type is. I have not tried cleaning it either. The item "Mermaid Bottle Opener New York on Backside.
)" is in sale since Tuesday, March 26, 2019. This item is in the category "Collectibles\Breweriana, Beer\Openers". The seller is "kim122862" and is located in Pittston, Pennsylvania.
This item can be shipped to United States.