So earlier this evening, my partner got a notification that a #package had been delivered to our #CanadaPost#community#mailbox -- i.e. in a separate delivery from the usual mail during the day.
I went out to check, and indeed they had left the #key for package compartment "2B" in our box.
With the key snapped off right at the base of the big plastic "gas station bathroom key attached to a cinderblock" fob...