Jerry Koosman Signed MLB Baseball w Once a Met Always A Met Insc

Jerry Koosman has hand-signed this MLB baseball and inscribed it Once a Met Always A Met-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 Its Real. Jerry Koosman hand-signed MLB baseballInscribed Once a Met Always A Met100% Guaranteed AuthenticIncludes Steiner Sports Certificate of AuthenticityFeatures Tamper-Evident Steiner HologramWould make a perfect gift!