Vintage Art VALVOLINE MOTOR OIL PORCELAIN ENAMEL SIGN Rare Advertising 30" Diameter. "100% Pennsylvania". Heavy metal and shelving (layering) throughout resulting in very bright colors. Good condition and ready for display. Fast shipping and professional packing from a trusted seller. A nice addition to any collection. Selling parts of my collection of many years. Shipping to the U.S.A. only due to costs and lack of tracking. Combined shipping on all listings with an invoice if paid within 3 days of auction close. Please wait for invoice before paying to receive combined shipping. See my "other items". Good luck and thanks for looking.