1950s UNION 76 ROYAL TRITON OIL DEALER POSTCARD – Petroliana Ad

For sale is an original 1950s UNION 76 ROYAL TRITON OIL DEALER POSTCARD from the Union Oil Company of California. The advertising cardboard postcard measures about 5-3/4 inches by 8-5/8 inches. Features a graphic of Royal Triton Oil Can, the famous purple motor oil.  A nice petroliana collectible.