Kristaps Porzingis boston Celtics STAR FORWARD. hand signed FULL SIZE Spalding Game ball series basketball. Dual certified with holograms from both Steiner Sports and Fanatics, you can verify your holograms on their websites. GREAT PLAYER INCREDIBLE PRICE !!

The autograph is BOLD and beautiful!

The ball you see in the photos is the exact ball you will receive!!

Owner Scott Stimell has owned and operated Cardboard

Memories in Commack, NY for over 30 years. Scott has been featured on many TV Shows including HBO's Real Sports and ABC TV's Ball Boys. He is also featured on Islanders Commercials on MSG. You can find us on Google as well as all forms of social media. Please reach us with any questions

New York winners pay 8.625% sales tax.

All others pay their respective state taxes

SR (signed basketball box)