Samuel Clemens "Yours Truly, Mark Twain" Signed 2x3.5 Cut Sig Auto 9! PSA Slab

This Autographed Auto Graded Mint 9! 2x3.5 Cut Signature with the inscription of "Yours Truly, Mark Twain" has been Personally Signed by Samuel Clemens. This item is 100% Authentic, it comes slabbed and authenticated by PSA/DNA. The authenticity can be verified on Professional Sports Authenticator website.