This good sized vintage garage enamel sign measures 15 x 12 inches and although its not perfect, it is in good condition for its age. This will make a great addition to your man cave wall…… Vintage Enamel Garage Sign “Emptying of Vehicle Tanks is Strictly Prohibited”. We will do everything we can to make shopping on godblessthismess a good one but if things do ever go wrong all we ask is for a little contact to give us a chance to sort them out. Please be aware that I do not stop auctions unless items are damaged in storage. If you spot a mistake on any of our listings or a photo missing then please be kind enough to let us know. Showcase your items with Auctiva’s. Track Page Views With.