Billy Williams Signed Roberto Clemente First Day Cover Cachet Envelope (PSA/DNA)

This autographed First Day Issue has been personally hand-signed by Billy Williams of the Chicago Cubs. This autograph is certified by PSA/DNA (Professional Sports Authenticators). It comes encapsulated and authenticated by PSA/DNA in the plastic case.

This product comes fully certified with a Certificate of Authenticity and tamper-evident hologram and is fully backed by Supersportscenter.com's Authenticity Guarantee.