Jack Sock Autographed Tennis Ball

• This tennis ball is hand-signed by Jack Sock in fine black sharpie. 

• Every piece of signed memorabilia comes with our Certificate of Authenticity and tamper-proof hologram affixed to each individual item. 

• All of our signed memorabilia comes with a 100% Lifetime guarantee. 
  
  
• Please note this is a stock image and autographs may vary slightly