Sort of looks like the MK from here:
but it's not quite it. And the website doesn't give a further explanation of its symbols.
EDIT-- when I first read your post, there were NO COMMENTS showing, although now CH indicates that there are a few replies, including the answer, from over 3 hours ago.
I asked someone at the CRC in Chicago and I was told that it is indeed the Manchester Bais Din. The Montreal Vaad has a different logo which is an MK in a circle, much different that this logo.