Canadian Field Comforts Commission
Canadian Field Comforts Commission, see Item 73 on <a rel="nofollow" class="external free" href="http://www.cmhg.gc.ca/cmh/en/page_752.asp">http://www.cmhg.gc.ca/cmh/en/page_752.asp</a>
Sometime 1915
Insert found in "WITH THE FIRST CANADIAN CONTINGENT", Canadian Government publication from 1915