2007 Bowman's Best Prospect Clayton Kershaw (Autograph) #BBP45 BGS Gem Mint 9, Auto 10. - #28/99
Quickly earning a reputation as a modern-day Sandy Koufax, here's southpaw sensation Clayton Kershaw and his perfect 10 GEM MINT blue marker signature on this 2007 Bowman's Best Prospects Blue autographed card, numbered 28/99 and graded BGS 9 MINT.
BGS Gem Mint 9.5, Auto 9 with subgrades: Centering 9.5, Corners 9, Edges 9, Surface 9.