Original 1947 pump plate i have not tried cleaning this at all because some people like there signs just the way they are and others like them perfect. Does have a couple small chips out of the porcelain. Please look at all pictures and ask any questions you may have. The item “Original 1947 Texaco Fire Chief Porcelain Gasoline Sign Gas Pump Plate” is in sale since Thursday, May 04, 2017. This item is in the category “Collectibles\Advertising\Gas & Oil\Gas & Oil Companies\Texaco\Signs”. The seller is “hoardershavenllc20″ and is located in Adrian, Minnesota. This item can be shipped to United States.