Un*sight" (?), a.
Doing or done without sight; not seeing or examining.
[Colloq.]
Unsight unseen, a colloquial phrase, denoting unseeing unseen, or unseen repeated; as, to buy a thing unsight unseen, that is, without seeing it.
For to subscribe, unsight, unseen,
To a new church discipline.
Hudibras.
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.
© Webster 1913.