Carl Yastrzemski, one of the greatest baseball players of all-time, has hand signed this Boston Red Sox Majestic jersey at a private signing. Jersey is size XL and all letters/numbers are sewn-on. This item comes with a certificate of authenticity (COA) from JSA - James Spence Authentication. You will receive a serial-numbered COA along with a matching serial-numbered sticker on the jersey. The authenticity can be verified online by entering the serial number.Item pictured may not be the exact item you will receive. It will be similar quality, and we guarantee your satisfaction.