That mold is called "HAT AND CANE (ALTERNATING DIRECTIONS) -"; at least that is what I call it. I put it in my list here (76b):
http://www.antiquegamblingchips.com/molddesign_manmade.htm#md76b
It is easy to spot: two of the 8 hats have canes with the handle on the left, and the other six have them with the handle on the right.
Robert
