SDM $20 off $75... Dec 26 + 27 (Coupon)
Here's the link again for mobile site users...
http://images.email.shoppersoptimum.ca/ ... ges/se.pdf
This should stack with the spend your point event but do note, depending on cashier, they might require you to spend $75 AFTER redemption or refuse the coupon altogether. YMMV as always with SDM Coupon stacking.