holographs

/HH AA1 L AH0 G R AE0 F S/
noun
  1. 1

    A hologram.

  2. 2

    (textual criticism) A handwritten document that is solely the work of the person whose signature it bears, especially a letter, deed, or will; an original manuscript, a protograph.

Source: https://en.wiktionary.org/wiki/holograph, https://en.wiktionary.org/wiki/holographs