Merriam-Webster's Collegiate® Dictionary, 11th Edition
AUTOGRAPH
I. noun see: -graph
Date: circa 1644
something written or made with one's own hand:, an original manuscript or work of art, a person's handwritten signature, autography noun
II. transitive verb
Date: 1818
to write with one's own hand, to write one's signature in or on ,
III. adjective
Date: 1832
being in the writer's own handwriting ; not copied or duplicated