Jerry Koosman Signed MLB Baseball with Amazin Mets Inscribed - Jerry Koosman has hand-signed this MLB baseball and inscribed it Amazin Mets-Jerry Koosman pitched for the New York Mets for twelve years winning 140 games with an E. R. A. just above 3. This Jerry Koosman autograph is Guaranteed Authentic by Steiner Sports and include a Steiner Sports Certificate of Authenticity and an accompanying tamper-proof Steiner Hologram. The Steiner Seal Means It's Real. Jerry Koosman hand-signed MLB baseballInscribed Amazin Mets100% Guaranteed AuthenticIncludes Steiner Sports Certificate of AuthenticityFeatures Tamper-Evident Steiner HologramWould make a perfect gift!

• Team Name: New York Mets
• Weight: 1