WM Seal, Image by StuE, Found by Quozzy.
Found in Germany, 20mm, 12.1g.
WM with 00 beneath on one side and on the other a flower head inside a ring with writing around the outside consisting of two five-pettaled flower heads, one either side of ?????L MUHLE curving downwards and (B?)RE??AU curving upward.
The German for mill and 00 conect it to flour production.