This is an old sinclair gas and oil sign. Not sure if its porcelain or enameled. Overall in good condition. I have never seen one of these before. I believe this is of an oil rack. Measures 11 1/2 x 11 1/2. The item “Sinclain vintage old gas oil sign rare” is in sale since Sunday, June 05, 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.