![]() The IMCRSC is dedicated to researching the Canadian use of the International Postal Supply Company of New York's rapid cancelling machine models "S", "L" and the "Flier". This is a long-term research project identifying the individual daters in each of the Canadian post offices equipped with an International machine and publishing new early and late dates of use for daters and all obliterators including flags and slogans. In addition to reporting data related to the use of the International machines the IMCRSC is also investigating other areas of interest including the history of the International Postal Supply Company and its relationship with the Canada Post Office Department. Introductory information on International machine cancels can be found in our primer. The IMCRSC database is now available to all PHSC members. All of the latest information is included on this website, so members can see at a glance what is known. In addition, we maintain a searchable library of published works related to the machine cancellations of Canada and Newfoundland, with focus on the International machine era. At one time, the group published The International Flier. The back issues are available to members here. The reports that would have been made in the Flier will now be incorporated into the website. If you are interested in contributing information, please contact Rob Leigh.
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