Wasn't sure how I would use this one, but since the Shag Harbour cancel was somewhat appropriate :P This cancel is unlisted and I found out about it via FB; I'm assuming it is a custom cancel that the post office got themselves.
Here is the address for this PO:
5527 Hwy 3
Shag Harbour, NS
Not quite sure if it's expired or not.
The card came back in an envelope, here's the stamp in front. Thank you Postmaster!