They did show the Canada marking, but it’s on the handle.
View attachment 1526248
Description calls the serial as C191123. Seems fairly rare-ish to have the Bull-Dog stamp, as discussed here:
Gillette Bulldog Razors - US and Canadian
Hi, I need your help in identifying two Gillette Safety Razors (see photos).The dark or tarnished razor has a serial number of D737983, corresponding to 1917, and a Nov 15, 04 date on the razor. The clean or polished razor says Made in Canada, March 7, 1905, and 738057. Also on the...www.badgerandblade.com