Vintage Yellowstone National Park Porcelain Sign Vintage, Est. 1872, US Forestry Service Smokey Bear RV Camping Hunting Fishing Gas Oil. View all pictures well as they are part of the description of the sign. SIGN MEASURES 8″ FROM THE TOP OF IT TO THE BOTTOM OF IT X 7″ FROM ONE SIDE TO THE OTHER SIDE. Sign has 2 holes to be hung up with. This sign has porcelain chipping, rust, dings, fading and scratches. Great addition to any collection or man cave.