Vintage Large Porcelain Double Sided Marathon Oil Gas Station Advertising Sign. IT HAS SCRATCHES, CHIPS, BENDING, WEAR & RUST. ZOOM IN ON THE PICTURES TO SEE CONDITION. MEASURES APPROXIMATELY 91 1/2″ X 71 1/2″. The item “Vintage Large Porcelain Double Sided Marathon Oil Gas Station Advertising Sign” is in sale since Monday, June 3, 2019. This item is in the category “Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs”. The seller is “taminator1969″ and is located in Bedford, Indiana. This item can’t be shipped, the buyer must pick up the item.