Clarks 6' Super Gas sign... The item "OLD 6' tall Clarks Super Gas sign, look at my porcelain oil, neon signs, 1 sided" is in sale since Thursday, March 15, 2018. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "road-relics" and is located in Minneapolis, Minnesota. This item can't be shipped, the buyer must pick up the item.