Canada Pin Lot, Sterling 3X, UBC, YMCA War Services, St

I have two (2), The St Johns Ambulance Ass’n. C.P.R. Centre, blue, white, & goldtone face, Made by Birks w/ screwback. About ¾” Diameter. VGC+ One (1), YMCA, War Services, Montreal, red, white, blue enamel face. Back marked Birks, Sterling. About 5/8” Diameter, VGC+ One (1), UBC, University of British Columbia, Possibly forestry as the pin is primarily a tree that has “4S” and UBC at its base. Birks Sterling marked on back. Screwback. About ¼” wide, and 3/8” tall, and in VGC+. One (1), UBC, Tuum Est Science on red, black, & white enamel face of this Sterling, Shield shaped, University of British Columbia pin made by Birks. Measures about ½” wide and 5/8” tall. VGC+ I also have another lot of Canadian pins listed at this time for , Military, RCAF, WWII, British Empire. I would consider reasonable offers for individual pieces if you do not wish to buy the lot. I will always be willing to combine your multiple purchases to save shipping costs when feasible.