Jiovanni Mier is a great young prospect within the Houston Astros organization. He is considered to be one of the best up and coming shortstops throughout the minor leagues. Jiovanni Mier has personally hand signed these baseballs. Each Jiovanni Mier autographed baseball is guaranteed authentic, and includes an individually numbered TRISTAR Authentic hologram. You can verify the authenticity of your autograph by entering your hologram number online at www.sportsmemorabilia.com.
Comes fully certified with Certificate of Authenticity and tamper-evident hologram. Also backed by SportsMemorabilia.com's Authenticity Guarantee
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