from
The Collaborative International Dictionary of English v.0.48
Unsight \Un*sight"\, a.
Doing or done without sight; not seeing or examining.
[Colloq.]
[1913 Webster]
{Unsight unseen}, a colloquial phrase, denoting unseeing
unseen, or unseen repeated; as, to buy a thing unsight
unseen, that is, without seeing it.
[1913 Webster]
For to subscribe, unsight, unseen,
To a new church discipline. --Hudibras.
[1913 Webster]
There was a great confluence of chapmen, that
resorted from every part, with a design to purchase,
which they were to do "unsight unseen." --Spectator.
[1913 Webster]