Antichess
Had a friend tell me that they saw IOA and IOB $5 (2013 series) prefixes from bank branches around the Toronto area. This has also been reported on the Canadian Paper Money forum:
https://cdnpapermoney.com/index.php?topic=16489.0
I'm sure I could get my hands on these sometime soon. We should add these ASAP before users on this site get them.