Robert Wallace McLachlan (9 March 1845 – 10 May 1926), was a prolific early Canadian numismatist, who published many works focusing primarily on pre-Canadian Confederation coins, tokens and medals.
He lived in Montreal, and was for many years the Treasurer and Curator of The Canadian Antiquarian and Numismatic Journal.
[1][2] Along with fellow early Canadian numismatists Alfred Sandham, and P. N. Breton and Joseph Leroux, his publications are considered to have laid the foundations for Canadian numismatic research.
[4] McLachlan sold his collection in its entirety to The Canadian Antiquarian and Numismatic Society of Montreal in 1922, which at that time had grown to an estimated 20,000 pieces.
[7] McLachlan published the following books and pamphlets on Canadian tokens: