holograph
noun /ˈhɒləɡrɑːf/
/ˈhəʊləɡræf/, /ˈhɑːləɡræf/
(specialist)- a piece of writing that has been written by hand by its authorWord Originearly 17th cent.: from French holographe, or via late Latin from Greek holographos, from holos ‘whole’ + -graphos ‘written, writing’.