Castrol Motor Oil Signboard II

This is a very rare, collectible, embossed Castrol Motor Oil advertising signboard. This signboard is made of good quality porcelain enamel. The place where the signboard was made is written in the corner. The colors are full of red, green, and white. It’s a vintage piece, so it will be perfect for any collection and create an industrial look. It was made in the USA, circa 1940.