Rare Vintage ORIGINAL Phillips 66 Ethyl Porcelain Sign 30 Double Sided. The item "Rare Vintage ORIGINAL Phillips 66 Ethyl Porcelain Sign 30 Double Sided Gas Oil" is in sale since Thursday, January 30, 2020. This item is in the category "Collectibles\Advertising\Merchandise & Memorabilia\Signs\Original\1930-69". The seller is "mikgoema" and is located in New Sharon, Iowa. This item can be shipped to United States.