Breanna Stewart signed WNBA Basketball. The basketball was signed with a black sharpie. Welcome to Coast to Coast Collectibles We are proud to deliver hand collected, authentic, autographed sports/celebrity memorabilia to collectors all over the world. All of our collectibles are personally obtained by Coast to Coast Collectibles, where we strive to set the bar in providing top quality, product, and service. *Certificate of Authenticity(coa)- Each item comes with a COA from Coast to Coast Collectibles and a Tamper-proof hologram all autographs are 100% authentic and obtained by Coast to Coast Collectibles personally. *Proof Pictures- The proof photo(s) in our listings shows the athletes/celebrity signing for us and will be included with item.