New , old stock. In storage for several years. Leather , made by Cairns and Brothers , Clifton NJ. It’s flat , not curved . Made for use on newer 660 or 770 style rescue helmets. AI says: The Fair Lawn Rescue Cairns & Brothers Leather Helmet Shield Front is a collectible firefighting and rescue helmet shield front featuring a historical design. Made of durable leather, this shield front is perfect for display or practical use in firefighting and rescue missions. With a focus on firefighter safety and historical significance, this helmet shield is a unique piece that pays tribute to the bravery and dedication of firefighting professionals.