Canada, Imperial Mail Marking Machine Company Type 1 Flags. Lot of five "Ensign" flag cancels from Montreal and Ottawa, Montreal 'C' on postal card, Montreal 'F' on very nicely franked card to Bavaria, Ottawa two copies of year on bottom dial, a first day of use of the rare and controversial Montreal 'K' machine (It is believed by some that the Montreal 'K' flag cancels may be from a trial of a Bickerdike machine), F.-V.F. or better. Estimate  $100 - 150. $0 (Image)