World Banknotes: Canada Bank of Montreal, Canada, watermarked paper (2), for an unknown document or banknote, probably around 1900-1920, with coat of arms at centre and zigzag border, in non-numeric PMG holders, rare (2 notes) Pick unlisted £120-£160 It seems likely that these were used for some kind of security document, since no known notes for the Bank of Montreal have this format and dimensions