Like I have said in the past buying tokens by bulk you never know what can turn up in the bag. Here is something that was a delight when I found it, Haven't did any research yet.
Copper, 38mmj,7mm compartment is about 5mm thick and half moon shaped. there was a jump ring that is missing,Barre is on the obverese with a capital B @ back of neck. So far only thing I I have found is a barre is a form of exercise, and a contemporary sculptor born in 1948