The Collaborative International Dictionary of English v.0.48:

Autotype \Au"to*type\, n. [Auto- + -type: cf. F. autotype.]
   1. A facsimile.
      [1913 Webster]

   2. A photographic picture produced in sensitized pigmented
      gelatin by exposure to light under a negative; and
      subsequent washing out of the soluble parts; a kind of
      picture in ink from a gelatin plate.
      [1913 Webster]

WordNet (r) 3.0 (2006):

autotype
    n 1: process for producing permanent prints in a carbon pigment
         [syn: autotype, autotypy]
    2: an exact copy or reproduction [syn: facsimile, autotype]