Shell Plastic Lighted Sign Gas Oil Vintage Collectable Man Cave Garage Decor. The item "Shell Plastic Lighted Sign Gas Oil Vintage Collectable Man Cave Garage Decor" is in sale since Monday, May 11, 2020. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "qualserv" and is located in Jefferson, Iowa. This item can't be shipped, the buyer must pick up the item.