New York Knicks Swingman Porzingis jersey, signed on the number on the back in black marker by New York Knicks Rookie star Kristaps Porzingis.

Signed at an official paid private autograph session held in 2015 (his rookie season).
Sold with Certificates of Authenticity from both The Autograph Source (Lifetime Guarantee) and independent third-party authenticator PSA/DNA (PSA/DNA RookieGraph COA – which proves it was signed during his rookie season).