[COUNTER- 9, 8.]
† 1. Proof on the other side or to the contrary.
(Might be written as two words.)
1610. Guillim, Heraldry, III. xx. 162. [He] had a suspicion of the Fidelitie of his wife … vntill he was driuen by counter-proofe to acknowledge his causlesse suspicion.
2. (See quots.)
1727–51. Chambers, Cycl., Counter-proof, in rolling-press printing, a print taken off from another fresh printed; which, by being passed through the press, gives the figure of the former, but inverted. Ibid. [see COUNTERPROVE 2].
1874. in Knight, Dict. Mech.
