Mariano Rivera Private Autograph Signing - national

🚨 National Sports Collectors Convention Mail-In Signing with Mariano Rivera ⚾✍️ 🌟 Hall of Famer. Five-Time World Series Champion. The Greatest Closer of All Time. Known for his legendary cutter, unmatched consistency, and dominance in the ninth inning, Mariano Rivera is widely regarded as the greatest relief pitcher in baseball history. His calm demeanor and postseason excellence helped define an era of Yankees baseball. This is your opportunity to add the signature of a true baseball icon to your collection through our mail-in program for the National Sports Collectors Convention (NSCC). 🏟️ Signing takes place at the National Sports Collectors Convention (July 29 – August 2, 2026). 📍 Learn more about the event at: https://www.nsccshow.com/ 📦 Mail-In Deadline & Guide July 24, 2026 — Mail-in submissions must be RECEIVED by this date. 📦 Mail Your Items To: Legends Only Authentics 14462 Grand Beach Rd New Buffalo, MI 49117 🕒 Please allow 2–3 weeks after the event has concluded to receive your item back. This allows time for the signing to take place, authentication to be completed (if selected), and all items to be carefully processed and shipped. 🎟️ Ticket Types Standard Flat Autograph Ticket: Includes any flat item up to 16x20 in size (photos, prints, cards, magazines, posters, etc.). ⚠️ If your item exceeds 16x20 in size, you must purchase a Premium Autograph Ticket. Premium Autograph Ticket: Includes all equipment and premium items such as jerseys, baseballs, bats, helmets, and other oversized memorabilia. Inscription Add-On Ticket: Up to 3 words maximum OR 1 career stat per ticket. ➕ Must be purchased with an autograph ticket. 🔐 Authentication (Optional Add-On) Tristar / National Sports Collectors Convention COA is available for purchase directly through the event. Adds third-party verification and additional value to your collectible. 📣 Don't miss your chance to add the greatest closer in baseball history to your collection. Mariano Rivera's legendary career and unmatched postseason success have cemented his place among baseball's all-time greats. Secure your spot and get your mail-in submitted before the July 24 deadline! 🏆⚾