This Autographed Vertical Dunk Framed Photo has been Personally Signed by Michael Porter Jr. of the Denver Nuggets. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. We conducted an autograph signing with Michael Porter Jr. where multiples of the same item were signed. While the photographs are representative of this item; the size; placement and strength of the signature may vary. Each item is hand signed; therefore; each autograph is unique. This item can be verified through JSA. This item has been professionally framed to overall dimensions of approximately 19.5 x 23.5 inches.