1925 (Jan 22) Laurentide Air Service, First Flight Rouyn Lake - Larder Lake, cover with Laurentide Semi-Official Airmail ‘Canada 1924’ red on reverse canceled Larder Lake and Rouyn Lake; franked with 2 cent postage green imperf margin pair on the front tied by Rouyn Lake cds.; cover is legal size with bottom flaw, otherwise fine. (Scott unrecorded flight with this stamp)
