This two sided porcelain 1920s/30s antique advertising sign for Polarine motor oil made by Standard Oil Company reads use correct grade with a diameter of 28".
This two sided porcelain 1920s/30s antique advertising sign for Polarine motor oil made by Standard Oil Company reads use correct grade with a diameter of 28".
This two sided porcelain 1920s/30s antique advertising sign for Polarine motor oil made by Standard Oil Company reads use correct grade with a diameter of 28".