Don Zimmer has personally hand signed this 8x10 inch Photo with a Sharpie Pen. Pictured is the EXACT signed item and authentication you will receive. AUTHENTICITY = This hand signed photo comes with a PSA/DNA Numbered and Tamper Proof authenticity sticker on the Autographed item and a PSA/DNA Certificate of Authenticity (COA) with matching serial number (pictured) (a $25 value). PSA/DNA is the oldest third party authenticator in the autograph industry, so buy with confidence, and get The REAL DEAL!