Older Bi circular with 5 Bats on the perimeter 3 facing up on one side and 2 facing up 

on the other side.There is also a gap on one edge between bats which has 2 leaves

engraved.This measures 2 3/8" in diameter and is 1/2" thick.It weighs 95 gr and has

a specific gravity of 2.97SG. I believe it is 19th Century but it may be older.