Signed book: Comeback 2.0. First edition, first printing. NY: Touchstone, 2009. Hardcover, 9.5 x 9.5. Signed on the title page in black felt tip. Accompanied by a certificate of authenticity from PSA/DNA stating that this autograph was obtained in the presence of a PSA/DNA representative. In fine condition, with a PSA/DNA “Signed in the Presence” authentication label affixed to signed page. RRAuction COA.
