You do not find Sinclair Opaline Signs this nice! What a gorgeous piece that is a must have for the serious collector who likes their stuff investment grade. Please examine the photos to see exact condition & dimensions. The item "VINTAGE SINCLAIR OPALINE MOTOR OIL GAS PORCELAIN VERTICAL ADVERTISING SIGN" is in sale since Sunday, January 24, 2021.This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "bwild99" and is located in West Union, Iowa. This item can be shipped to United States.