RPM Motor Oil by Standard Oil Company NEW Sign 40 Dia. Round USA Steel XXL Size. Suitable for framing or hanging, has pre-drilled and grommeted holes. Cool piece of Americana. Great coloration in the sign. This sign has a high quality baked on gloss finish. Made in AMERICA of American Steel. Please message me if you have interests in vintage advertisements. I have thousands of them categorized and waiting to be listed. There are more ads and 1000 categories of contemporary collectibles. At my site: AmericanIkons.