~~~ counters by weight; like in plastic bags full... while some of us would ask for thicker examples (sometimes 2X and 3X thicker than usual). For some reason the thicker pieces were square, only, and much smaller than the other thin pieces.

Everyone should read Derek Cowan's work as to where, when, how and for whom these things were made...

Something I never added to my M-O-P collection, though, as I prefer the larger, heavyer casino/private Euro-type stuff.