This vintage US PENITENTIARY porcelain sign is exactly as shown, really nice! Porcelain on thick metal. MATERIAL: PORCELAIN ON SOLID METAL. Please use all 12 pics for your most accurate description of the exact item you will receive. Thanks for shopping with us here at Classic Gas and Oil Signs. Please be sure to check out all of the other collectable pieces that we have available! We focus mainly on Gas & Oil, Motorcycle, Train, Food & Soda, and Farming signs, but occasionally come across some pretty unique stuff to offer you as well. Enjoy the journey and stay safe, friends. We try our best to use great lighting when taking our photos so that you will have a VERY accurate view of the exact item you will receive. We show all angles, front and back. So, please take the time to thoroughly look through all of the photos provided for you so that you can make your best decision! THANKS FOR SHOPPING WITH US!