Sinclair Opaline Motor Oil Original Porcelain Sign 60. The item “Sinclair Opaline Motor Oil Original Porcelain Sign 60″ is in sale since Thursday, January 21, 2021. This item is in the category “Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs”. The seller is “coreprat_0″ and is located in Oklahoma City, Oklahoma. This item can be shipped to United States.
- Type of Advertising: Sign
- Original/Reproduction: Original
- Featured Refinements: Porcelain Sign