UNITED STATES - CANADA. [Niagara Falls]. 1768. Etching and chisel by William BYRNE (London 1743 † 1805) after a painting by Richard WILSON (1713 † 1782), based on a drawing executed in situ by Lieutenant Pieric of the Regiment of Artillery. Proof on vergé, trimmed inside the shot. Fillet of margins around the subject. 53.4 x 42.4 cm (sheet). Condition B (freckles and a few wet spots on the back; a few very short tears at the base, without damage to the subject).