This is an old Shell gasoline pump plate sign. Not sure if its porcelain or enameled steel. This is from an old air port. Measures approx 13 1/2;x 9 1/2 in. The item “Old vintage porcelain enameled steel shell gas sign oil garage rare” is in sale since Saturday, July 09, 2016. This item is in the category “Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs”. The seller is “zebaspen1″ and is located in Pittston, Pennsylvania. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, to Switzerland, NO, SA, UA, AE, QA, KW, BH, HR, MY, CL, CO, CR, DO, PA, TT, GT, SV, HN, JM.