This is a 6x9.25 1939 Handwritten Letter Authentic Signed that has been Personally Signed & Autographed by Grover Cleveland Alexander of the Philadelphia Phillies. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA #Z31392. Press Pass Collectibles offers a 100% Lifetime Guarantee on all Autographed & Signed Grover Cleveland Alexander memorabilia.