autographical

from The Collaborative International Dictionary of English v.0.48

Autographic \Au`to*graph"ic\, Autographical \Au`to*graph"ic*al\,
   a.
   1. Pertaining to an autograph, or one's own handwriting; of
      the nature of an autograph.
      [1913 Webster]

   2. Pertaining to, or used in, the process of autography; as,
      autographic ink, paper, or press.
      [1913 Webster]