For your viewing pleasure: AUTOGRAPHED 2021 William Byron #24 Valvoline Darlington Throwback RARE COLOR CHROME Signed Lionel 1/24 Scale NASCAR Diecast Car with COA (1 of only 72 produced). This beautiful diecast was hand-signed by William Byron in silver on the windshield through a well-respected representative of Trackside Autographs. All signatures are obtained through public/private signings and garage area access via HOT Passes. You will receive a Certificate of Authenticity with your purchase and we also offer a 100% life-time guarantee regarding authenticity! All of the signatures we sell are guaranteed to pass any other reputable third-party authentication process or your money-back. This would make the perfect gift for any NASCAR fan! Please feel free to get in touch with any questions you may have. Take care!