New Democratic Logo - I know where I've seen it before...

So I'm cruising around Saberpoint where Stogie has presented us with the new dem logo enhanced with a line through it - the international signal for "no."  That little line was the first thing I thought of when I saw the new logo, but something else kept nagging at me.  That logo looked very, very familiar.  Before I could even leave a comment for Stogie (good work on Stogifying the dem logo) it finally floated to the surface.

The little kosher symbol on food containers. 

And the meaning behind this?  None that I know of...