This vintage pinback button is a must-have for any Indy Car racing fan. Featuring the iconic Detroit Grand Prix design, this collectible is a piece of racing history. The button is perfect for adding to a collection or displaying on a jacket or backpack. With its sleek design and vibrant colors, this pinback button is sure to catch the eye of anyone who sees it. Whether you're a fan of Formula 1 F1 racing or just love collecting unique memorabilia, this button is a great addition to any collection. Don't miss out on the chance to own a piece of racing history with this vintage Detroit Grand Prix pinback button.