New Era 59FIFTY MLB Authentic Collection Official On-Field Cap, size 7 1/4 , signed on the brim in silver marker by 2019 NL Rookie of the Year Pete Alonso.

Signed at an official paid private autograph session.

Affixed to the cap is a numbered tamper-proof hologram from MLB Major League Baseball Authentication (which proves that the cap was signed at the end of Alonso’s MLB Rookie Season).

Sold with a Certificate of Authenticity fromĀ  The Autograph Source (Lifetime Guarantee).